Post by hoatran on Use third party actuator with IO-Link Master (IFM) ^{CODESYS Forge talk (Post)}
The generic sensor FB is for controlling the sensor via its cyclic input (PDI) and output (PDO). In this case, ifm raw cyclic input and output data are WORDs (16 bits total) The PDO data from the Buerkert unit are SINT (8 bits) In this case, I would use the unpackword fb from the CAA memory library to unpack the valve feed back value into the appropriate location.
Last updated: 2024-04-23

Post by micik on CAA File, how to check whether file exists or not ^{CODESYS Forge talk (Post)}
Hello, what would be the most efficient way to check whether the file exists or not. I don't want to use file.Open function, it seems like rather inefficiet operaton. I considered GetAttribute function, but this function doesn't accept filename (with path) as an input. Basically I need to check first time when program is loaded to the runtime i.e. when application is started for the first time, whether a file exists on the specific location or not.
Last updated: 2024-05-16

Post by mase on Python script: Launch Codesys, Execute Script, Exit Codesys ^{CODESYS Forge talk (Post)}
Hi, sorry I can´t help you with your issue, but I hope you can give me a hint on getting GUID for other objects than POUs. Your code states "Guid("6f9dac99-8de1-4efc-8465-68ac443b7d08")". We can I find the GUID / ObjectIds`? I wasn´t able to get details about the GUID of DataTypes (STRUCT/ENUM,..)m, Functions (FUN), GLOBALS and TYPES. I want to create markdown of all available project elements. Thanks for your help
Last updated: 2024-08-06

Post by imdatatas on TO_STRING operator not working for IMPLICIT ENUM ^{CODESYS Forge talk (Post)}
Hi Everyone, It is a very useful feature to be able to obtain the enum value as a string with the TO_STRING operator by defining {attribute 'to_string'}. However, unfortunately the same function does not work for IMPLICIT ENUMs. I hope that {attribute 'to_string'} behavior can also work for Implicit Enumeration data types in one of the upcoming Codesys versions. https://content.helpme-codesys.com/en/CODESYS%20Development%20System/_cds_pragma_attribute_to_string.html https://content.helpme-codesys.com/en/CODESYS%20Development%20System/_cds_datatype_implicit_enumeration.html Best regards, Imdat
Last updated: 2025-03-27

Post by alez on CANOpen SDO to write VISIBLE STRING ^{CODESYS Forge talk (Post)}
Hello, I am experiencing difficulties in configuring a CANopen device by sending SDOs. In particular I am attempting to write an Object Dictionary that has VISIBLE STRING as the Data Type. When I try to configure the sending of an SDO from Codesys to configure this parameter I am not allowed to enter a string value. In my particular case I am trying to change the Manufacturer Device Name ( Index 0x1008 ). Could it be that Codesys doesn't manage these types of variables?
Last updated: 2024-04-29

Post by engrahman on The current baud rate could not be determined in CR0020 IFM with maintenance tool ^{CODESYS Forge talk (Post)}
Hello everyone, im working with IFM CR0020 controller via RS232 protocol where im trying to connect it to my PC but, every time when im using the maintenance tool to identify the device i get the error "The baud rate could not be determined" i have tried to change the cable of RS232 with different types but the error presist, any idea how to fix it
Last updated: 2024-05-21

Post by lsislsis on SIGABRT Error ^{CODESYS Forge talk (Post)}
Please help us. Why we take this errors. We try different versions like 4.12.0 and 4.13.0 with same results. ;*********;<loggername>codesyscontrol.log</loggername>;<logoptions>; <enable>1</enable>; <type>normal</type>; <timestamp>rtc high resolution</timestamp>; <deactivatable>0</deactivatable>; <dump>always</dump>; <filter>0x0000000f<filter>; <maxentries>100000</maxentries>; <maxfiles>1</maxfiles>; <maxfilesize>1000000</maxfilesize>;</filter></filter></logoptions>;<entries>;Timestamp, CmpId, ClassId, ErrorId, InfoId, InfoText;ClassId: LOG_INFO =1;ClassId: LOG_WARNING =2;ClassId: LOG_ERROR =4;ClassId: LOG_EXCEPTION =8;ClassId: LOG_DEBUG =16;ClassId: LOG_PRINTF =32;ClassId: LOG_COM =64;</entries>;*********2024-11-05T08:23:59.728Z, 0x0000100c, 1, 0, 0, VisuFctCheckForUnusedClients: Removing Client with IEC-ID: 1 Time delta: T#33s1ms Locks: Paintbuffer: TRUE 2024-11-05T08:23:59.728Z, 0x0000100c, 1, 0, 0, VisuFctCheckForUnusedClients: Successfully Removed Client at Address: 547195449944, IEC-ID was: 1, EXT-ID: 431000373 2024-11-05T08:28:57.913Z, 0x0000100c, 1, 0, 0, Visu_PRG: Creating Client for Extern-ID: 347055752 2024-11-05T08:28:57.926Z, 0x0000100c, 1, 0, 0, Visu_PRG: Creating Client successful for Extern-ID: 347055752 Returned IEC-ID: 1 2024-11-05T08:30:51.103Z, 0x0000100c, 1, 0, 0, Visu_PRG: Successfully Removed Client with IEC-ID: 1, Extern-ID: 347055752 2024-11-05T08:37:36.517Z, 0x00000103, 65544, 1, 0, runtime received SIGABRT - system may be in an inconsistent state* We recommend a reboot of the controller now! 2024-11-05T08:37:36.517Z, 0x00000111, 8, 260, 3, #### Exception: HANDLED EXCPT <excpt>NonContinuable</excpt> in CH_COMM_CYCLE 2024-11-05T08:47:42.117Z, 0x00000103, 65544, 1, 0, runtime received SIGABRT - system may be in an inconsistent state We recommend a reboot of the controller now! 2024-11-05T08:47:42.117Z, 0x00000111, 8, 260, 3, #### Exception: HANDLED EXCPT <excpt>NonContinuable</excpt> in CH_COMM_CYCLE 2024-11-05T09:14:41.316Z, 0x00000071, 1, 0, 13, Webserver stopped 2024-11-05T09:14:44.485Z, 0x0000013d, 1, 0, 4, Number of licensed cores for IEC-tasks: 1 from 4 2024-11-05T09:14:44.487Z, 0x0000013d, 1, 0, 4, Number of licensed cores for IEC-tasks: 4 from 4 2024-11-05T09:14:44.540Z, 0x00000002, 1, 0, 2, Application [<app>Application</app>] loaded via [Download] 2024-11-05T09:14:55.894Z, 0x00001012, 1, 0, 0, Opened alarm storage file, version: 6 2024-11-05T09:14:55.951Z, 0x0000100c, 1, 0, 0, Visuinitialization starting. 2024-11-05T09:14:55.983Z, 0x0000100c, 1, 0, 0, Visuinitialization done. 2024-11-05T09:14:55.995Z, 0x00000071, 1, 0, 12, Webserver started 2024-11-05T09:15:01.753Z, 0x0000100c, 1, 0, 0, Visu_PRG: Creating Client for Extern-ID: 2279884529 2024-11-05T09:15:01.753Z, 0x0000100c, 1, 0, 0, Visu_PRG: Creating Client successful for Extern-ID: 2279884529 Returned IEC-ID: 0 2024-11-05T09:34:44.667Z, 0x00000103, 65544, 1, 0, runtime received SIGABRT - system may be in an inconsistent state We recommend a reboot of the controller now! 2024-11-05T09:34:44.667Z, 0x00000111, 8, 260, 3, #### Exception: More than 2 exceptions in CH_COMM_CYCLE: Stop logging 2024-11-05T10:13:26.867Z, 0x00000103, 65544, 1, 0, runtime received SIGABRT - system may be in an inconsistent state We recommend a reboot of the controller now! 2024-11-05T10:15:21.966Z, 0x00000103, 65544, 1, 0, runtime received SIGABRT - system may be in an inconsistent state We recommend a reboot of the controller now! 2024-11-05T10:19:12.167Z, 0x00000103, 65544, 1, 0, runtime received SIGABRT - system may be in an inconsistent state We recommend a reboot of the controller now! 2024-11-05T10:26:02.566Z, 0x00000103, 65544, 1, 0, runtime received SIGABRT - system may be in an inconsistent state We recommend a reboot of the controller now! 2024-11-05T10:31:42.866Z, 0x00000103, 65544, 1, 0, runtime received SIGABRT - system may be in an inconsistent state We recommend a reboot of the controller now! 2024-11-05T11:01:54.468Z, 0x00000103, 65544, 1, 0, runtime received SIGABRT - system may be in an inconsistent state We recommend a reboot of the controller now! 2024-11-05T11:09:29.868Z, 0x00000103, 65544, 1, 0, runtime received SIGABRT - system may be in an inconsistent state We recommend a reboot of the controller now! 2024-11-05T11:14:44.540Z, 0x0000100d, 1, 0, 0, Demo mode expired. 2024-11-05T11:27:20.868Z, 0x00000103, 65544, 1, 0, runtime received SIGABRT - system may be in an inconsistent state We recommend a reboot of the controller now! * Regards
Last updated: 2024-11-05

Post by mp9876 on Problem using MeasureFrequence FB ^{CODESYS Forge talk (Post)}
Hi everyone, new at Codesys and PLC programming in general. I am using Codesys Win V3.5 SP20 I would like to measure an encoder's frequency output (obtaining that pulse train from Factory IO) and intended to use the MeasureFrequence FB (Intern/CAA/Utilities/CAA Mathematics/3.5.19.0). As mentioned in the title what I need to measure is low frequency, such as lower than 40hz (a cycle every 25mS) or so; I could even go lower frequency if required as this is for test purposes) therefore I am not expecting problem measuring a low frequency with that FB The library in question appears to be installed as I can retrieve it from the Library Repository. I can also see it from the Device's Library Manager. Problem arises when I am trying to instantiate this particular FB. I go like this: VAR MeasF:MeasureFrequence; END_VAR Please note that as soon as I start typing the "MeasureFrequence", the MeasureFrequence comes out as a viable option in auto-typing; seems to indicate that the FB is recognized somehow. But there is no way I can compile this as it comes back with the following: C0046: Identifier 'MeasureFrequence' not defined. Tried to rename that to ABC instead of MeasF; same issue. Possibly that the library is not properly installed ? Placeholder ? I would greatly appreciate a bit of guidance if possible. Thank you and regards, Mike
Last updated: 2024-06-24

Post by mainak on Opaque NodeId in the OPC UA server ^{CODESYS Forge talk (Post)}
Hello all, I am using the OPC UA server with my custom information model. I have used the communication manager to add my information model under my application and created instances from OPC UA types. I see that the created instances in the OPC UA server has some opaque nodeid (attached screenshot) and I want to change that. Therefore I have the following questions: 1. Is there a way to configure the NodeIds of instances in the OPC UA server? I tried to edit it using the UaExpert client but got error "BadNotWriteable". is it possible to configure it somewhere so that the nodeids can be changed using an external client? 2. Is there a way to define the rule for creating instance nodeids within the codesys IDE? 3. Is it possible to create the instances before e.g. using a modelling tool like UaModeler and import them as part of the information model and use them later? Using the communication manager, I can only create instances from types. I couldn't find a way to map my existing instances to plc tags from my application. It would be nice if someone could help me with these issues. Thanks in advance. :)
Last updated: 2024-10-19

Post by nikgind on Codesys Communication Manger - Required information model version exists in the model repository but is not found ^{CODESYS Forge talk (Post)}
Hi I am trying to import a custom information model that I created using UA Modeler. I have only added two new methods and two new object types. It is possible to add the information model to the Communication Manager and the two new object types are shown in the Information Model tab. After compiling i get the following error: Communication Manager [Device: PLC Logic: Application]: The information model http://opcfoundation.org/UA/ is required by http://yourorganisation.org/Bsp_3.1/ with a minimal publication date from 15.12.2023 but the device has only a model from 15.09.2021 installed. Probably the information model from 15.09.2021 is missing in the information model repository. The error message does not make sense to me. Should it not be “Probably the information model from 15/12/2023 is missing in the information model repository”? Anyway I have installed the information model from 15/12/2023 but not from 15/09/2021. Which makes the error message even stranger.
Last updated: 2024-06-09

Post by bschraud on runtime received SIGABRT ^{CODESYS Forge talk (Post)}
Hallo, seit der Umstellung meines Projektes auf die aktuelle Codesys Version mit aktuellen Bibliotheken und Aktualisierung der Runtimer Version bekomme ich im Zeitraum 15min bis 1h nach Neustart des Target Systems folgende Fehlermeldung: runtime received SIGABRT - system may be in an inconsistent state Der Fehler kommt auch nach dem Start des Systems ohne eine Benutzeraktion zuverlässig, aber in unterschiedlichen Zeiträumern. Hier sind die Logs und Daten, die ich dazu ermitteln konnte: $ tail -f /var/opt/codesys/codesyscontrol.log 2025-04-03T06:54:37.659Z, 0x0000100c, 1, 0, 0, Visu_PRG: Creating Client for Extern-ID: 594337835 2025-04-03T06:54:37.660Z, 0x0000100c, 1, 0, 0, Visu_PRG: Creating Client successful for Extern-ID: 594337835 Returned IEC-ID: 0 2025-04-03T07:01:38.135Z, 0x00000103, 65544, 1, 0, runtime received SIGABRT - system may be in an inconsistent state * We recommend a reboot of the controller now! 2025-04-03T07:01:38.135Z, 0x00000111, 8, 260, 3, #### Exception: HANDLED EXCPT* <excpt>NonContinuable</excpt> in CH_COMM_CYCLE 2025-04-03T07:02:18.181Z, 0x00000103, 65544, 1, 0, runtime received SIGABRT - system may be in an inconsistent state * We recommend a reboot of the controller now! 2025-04-03T07:02:18.181Z, 0x00000111, 8, 260, 3, #### Exception: HANDLED EXCPT* <excpt>NonContinuable</excpt> in CH_COMM_CYCLE $ vmstat 1 procs -----------memory---------- ---swap-- -----io---- -system-- ------cpu----- r b swpd free buff cache si so bi bo in cs us sy id wa st 1 0 0 271120 33976 342284 0 0 135 2 2387 4751 10 7 82 1 0 1 0 0 271024 33976 342380 0 0 0 0 10163 20427 10 9 81 0 0 1 0 0 271056 33976 342380 0 0 0 0 8455 16869 9 5 86 0 0 0 0 0 271040 33976 342380 0 0 0 0 8674 17484 9 4 87 0 0 0 0 0 271072 33976 342380 0 0 0 0 10070 20350 7 7 87 0 0 1 0 0 271040 33976 342380 0 0 0 0 10354 20802 10 6 84 0 0 0 0 0 271072 33976 342380 0 0 0 0 8401 16923 8 6 86 0 0 $ vcgencmd measure_temp temp=56.9'C $ uname -a Linux PAC4 5.10.103-v7+ #1529 SMP Tue Mar 8 12:21:37 GMT 2022 armv7l GNU/Linux CODESYS V3.5 SP21 Runtime: Codesys control for Raspberry Pi MC SL V 4.13.0.0 Hinweise auf ein instabiles OS oder instabile Netzwerkverbindungen konnte ich keine finden. In dmesg und im syslog gibt es keine Auffälligkeiten. Die anderen Posts zu diesem Thema wurden nicht beantwortet. Hat jemand einen Tip, wie man an das Problem herangehen kann? Vielen Dank
Last updated: 2025-04-03

Post by fredsta on Unable to load dynamic modules (Download failed: Application=Application) ^{CODESYS Forge talk (Post)}
Hey there, I am currently trying to find a good solution for the communication between CODESYS Control on Raspberry Pi and "the rest of the world", i. e. the things apart from CODESYS on my linux. My first approach was to use the c-integration. So I created a lib, defined extern fbs, compiled the code on my Pi using the SDK and put the .so into my lib project. When I try to log into the Pi and load the program, I get the error message which you can see in the attached picture. "Die dynamischen Module der C-Integration konnten nicht auf das Laufzeitsystem geladen werden" is german and means roughly "the modules from the c-integration could not be loaded onto the runtime system." Is this normal? Am I doing something wrong? I will have a look at the unix domain socket thing next, as I am still in the process of finding the best solution for the communication.
Last updated: 2024-02-15

Post by gatto on CAA File open Problems ^{CODESYS Forge talk (Post)}
Ciao, here same question https://forge.codesys.com/forge/talk/Engineering/thread/2538729618/ in this post https://forge.codesys.com/forge/talk/Engineering/thread/4586a90290/?limit=25#d531 i find : keep in mind that all files which are generated / or read should be exist in the iecfilepath this means: for Windows (Control Win as example) c:\ProgramData\CODESYS\CODESYSControlWinV3x64\268E8ADF\PlcLogic for Linux /var/opt/codesys/PlcLogic I never use codesys on windows but im sure on linux we can manipulate file only inside /var/opt/codesys/Plc Logic. Or you need to modify the file codesyscontrol.cfg for change path permission, but this is another history Buone feste !
Last updated: 2024-12-21

Post by atone on CAA File Handling: "Read only" error ^{CODESYS Forge talk (Post)}
In case of error while opening the file to read you assume that the file doesn't exist and try to create one. But it could be that the SD card is not ready yet or simply not there. I would try to check first if the SD card is there and accessible. Otherwise with FILE.Create you could end up creating a new directory that is not mapped to the SD card. This would explain the errors even after a reboot, though it doesn't explain the READ_ONLY_CAA error I guess? I would use FILE.DirOpen and FILE.DirList to check if the SD card is there and ready.
Last updated: 2025-03-20

Post by otbeka on CAA File Handling: "Read only" error ^{CODESYS Forge talk (Post)}
Hi, sorry for the late reply. After some investigation, the read-only error was being triggered by a FAT-fs filesystem panic on the kernel end, probably caused by unfinished write/reads causing corruption. I found this thread https://forge.codesys.com/forge/talk/Engineering/thread/e637d252b7/ which seems to give a solution of using SysProcess to send the 'sync' command to the console immediately following a write to prevent issues if power is lost or, in my case, if the unit is harshly power cycled. Indeed this seems to resolve the issue bar the worst possible edge cases.
Last updated: 2025-05-02

Post by reinholdgaylord on CAA File Handling: "Read only" error ^{CODESYS Forge talk (Post)}
Hi, sorry for the late reply. After some investigation, the read-only error was being triggered by a FAT-fs filesystem panic on the kernel end, probably caused by unfinished write/reads causing corruption. I found this thread https://forge.codesys.com/forge/talk/Engineering/thread/e637d252b7/geometry dash lite which seems to give a solution of using SysProcess to send the 'sync' command to the console immediately following a write to prevent issues if power is lost or, in my case, if the unit is harshly power cycled. Indeed this seems to resolve the issue bar the worst possible edge cases. Thank you so much!
Last updated: 2025-09-25

Post by installwhat on IDialogOpenedListener ^{CODESYS Forge talk (Post)}
Why do you develop things like this? The workflow should be highly dependent on autocomplete, then if that's not super obvious browse to definition and everything is made clear possibly with the checking of a few types. The nature of how things are done makes me think these libraries aren't developed for general use and are actually internal or for partners. The example projects include objects that don't appear in autocomplete and then lead nowhere obvious when browsing. Do you consider developer workflow when creating these libraries? Are some libraries really for public use such as Visu Utils and others not? If so which? It's really hard to tell.
Last updated: 2024-08-06

Post by opineiro on How to manage variable types larger than 64 bits - Ethernet/IP ^{CODESYS Forge talk (Post)}
Hi there, I have a Keyence bar code reader connected to my plc through Ethernet/IP. The Bar code is 20 digits long (like 30100790020493036016), the scanner reads it correctly (I can verify that through the keyence software) but when it sends it through ETH/IP, it doesn't fit into a 64 bit variable and it trunks the data.(I've tried ULINT and LWord without success). When I loaded the EDS file, the read variable was defined as a byte with 128 bits length, which is quite strange for me. (see attached picture) How do I manage this variable? Thanks!
Last updated: 2024-09-23

Post by pernockham on Inheritence of struct, ^{CODESYS Forge talk (Post)}
Apparently my construction will not work as any of the sub-types are not be able to accept any (further) value-initiation. Ie: string_item : log_data_base := (string_value := 'test', val_type := STRING_); is not eq to (the string_value will not be assigned): string_item_2 : log_data_string := (string_value := 'test'); Because effectively for the compiler this is eq. to a "double" assignment where the compiler sees only the first assignment (my guess). string_item_2 : log_data_base := (val_type := STRING_) := (string_value := 'test'); Im not sure this should be treated as a bug, but it would surely be nice to be able to use this construction (compiler is 3.5.20.40). Anyone see any other alternative for solution (other than 4 complete STRUCTS with all fields individually defined)?
Last updated: 2025-03-07

Post by rickmotion on Opening and saving files with fileOpenSave dialog ^{CODESYS Forge talk (Post)}
I have a customer that types in machine programs in a text file for machines and lets the machine execute it. In the old situation they can open and edit these files in a winform application. Now I want to move this to codesys. What I need is a simple way to open, close, save, edit the machine file in codesys visualisation. I want to use the fileOpenSave dialog. But don't understand how it works. I have the file transfer example and some other examples. But it is hard to figure out how the part with the file dialog works so that you can select a folder or file. Does someone know how that works?
Last updated: 2025-03-26

Post by rickmotion on Opening and saving files with fileOpenSave dialog ^{CODESYS Forge talk (Post)}
I have a customer that types in machine programs in a text file for machines and lets the machine execute it. In the old situation they can open and edit these files in a winform application. Now I want to move this to codesys. What I need is a simple way to open, close, save, edit the machine file in codesys visualisation. I want to use the fileOpenSave dialog. But don't understand how it works. I have the file transfer example and some other examples. But it is hard to figure out how the part with the file dialog works so that you can select a folder or file. Does someone know how that works?
Last updated: 2025-03-26

Post by jzhvymetal77 on IecVarAccessLibrary.IBaseTreeNode methon ^{CODESYS Forge talk (Post)}
I got this code working again. 3S/CoDeSys, your level of obfuscation and lack of documentation turns a simple task into a monumental complex challenge. The issue was that at some point the IecVarAccessLibrary changed and no longer allowed using IBaseTreeNode to retrieve a child or the number of children. The attached code has been updated to use IIecVarAccess6.VarAccBrowseGetChildByIndex instead. The code was also cleaned up but is still a work in progress. The current example only works one layer deep. This means native data types, arrays, and single-layer structures are supported. However, structure arrays and nested structures are not yet supported.
Last updated: 2025-08-25

Post by antonz on CoDeSys v3.5: creating libraries for both 32-bit and 64-bit controllers ^{CODESYS Forge talk (Post)}
Follow up question: in the Project Settings, under Library Development, there is an option related to this: Check all Pool Objects -> Pointer size to use Options are: * 32 Bit * 64 Bit * 32 and 64 Bit The descriptions and online help suggest to me this is only relevant for checking and showing any incorrect pointer types as an error in the IDE. E.g. using a DWORD to store a pointer value on a 64-bit controller. It would not control the creation of either 32-bit or 64-bit compiled libraries. Is that correct?
Last updated: 2025-09-01

Post by bjarne-pagaard on Codesys v3.5 Sint to byte ^{CODESYS Forge talk (Post)}
Hi A SINT is a short (signed) integer. It is already only 1 byte - so you should have no problem casting it to a byte like so: bMyByte := TO_BYTE(sintMyShortInt); If you have a regular INT you want to put in 2 bytes - there are a lot of ways you can do this. A Union is certainly one of them. You could have a union with 2 memebers: An array of 2 bytes as one member, and an integer value as another member. Another way would be to look at MEMCPY to put the value into your CAN-message. .. or create a function to take your input value as input, and giving you 2 individual bytes as output. This could be handy if you need to change the byte-order. Integer data types: https://help.codesys.com/webapp/_cds_datatype_integer;product=codesys;version=3.5.17.0 -Bjarne
Last updated: 2024-04-24

Post by sean-barton on Ambiguous namespace in library dependencies ^{CODESYS Forge talk (Post)}
I am trying to install the MQTT Client SL in an existing project I have been working on for years. After adding the library to the project, and without adding any other code, upon building I get a C0180: Ambiguous namespace 'MBM' error between the memory block manager (MBM) in the NetBaseSrv dependency of the MQTT Client SL library and the memory block manager (MBM) in the CAA CanL2 dependency of the 3S CANopen stack library. I have tried: * setting "Only allow qualified access to all identifiers." in the properties for both the parent libraries. * deleting the 3S CANopen stack library. Upon (re)building the error simply points to another conflicting library - there are many. * deleting the Library Manager and rebuilding it. * adding the memory block manager library (used in the NetBaseSrv) manually and changing its namespace to MBM3S. None of the above allow me to access the MQTT library through its namespace (MQTT). Adding the memory block manager manually removes the C0180 error, but the MQTT library is not accessible - i.e. mqttClient : MQTT.MQTTClient; highlights the mqttClient as "Identifier 'MQTT.MQTTClient' not defined". Is there anything else I can try?
Last updated: 2025-01-09

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