Search talk: Object reference not set to an instance of an object

 
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Is it possible to automaticly export Testreport of Test Manager? CODESYS Forge talk (Thread)
Is it possible to automaticly export Testreport of Test Manager?
Last updated: 2016-11-29

Mapping of Array Element to a EtherCAt Slave variable CODESYS Forge talk (Thread)
Mapping of Array Element to a EtherCAt Slave variable
Last updated: 2018-07-25

How to resolve "ambiguous use of name" - dependency management CODESYS Forge talk (Thread)
How to resolve "ambiguous use of name" - dependency management
Last updated: 2020-03-30

How to Install different versions of Codesys 3.5? CODESYS Forge talk (Thread)
How to Install different versions of Codesys 3.5?
Last updated: 2021-11-19

How to get the name of POU CODESYS Forge talk (Thread)
How to get the name of POU
Last updated: 2013-06-27

How to read MAC address of Modbus TCP slave CODESYS Forge talk (Thread)
How to read MAC address of Modbus TCP slave
Last updated: 2022-02-04

save the varies of array to a TXT file CODESYS Forge talk (Thread)
save the varies of array to a TXT file
Last updated: 2014-05-26

how to determine the cycle time of a POU? CODESYS Forge talk (Thread)
how to determine the cycle time of a POU?
Last updated: 2010-03-01

How to Choose Library of CANopen Application? CODESYS Forge talk (Thread)
How to Choose Library of CANopen Application?
Last updated: 2011-04-27

Convert array of 4 byte to real CODESYS Forge talk (Thread)
Convert array of 4 byte to real
Last updated: 2021-06-30

How to transfer SDO message of CanOpen fieldbus CODESYS Forge talk (Thread)
How to transfer SDO message of CanOpen fieldbus
Last updated: 2012-01-31

Using old versions of libraries, link to Codesys repository CODESYS Forge talk (Thread)
Using old versions of libraries, link to Codesys repository
Last updated: 2022-01-28

[SOLVE] Convert array of word to string CODESYS Forge talk (Thread)
[SOLVE] Convert array of word to string
Last updated: 2023-06-30

How to Hide Action or Method of FB CODESYS Forge talk (Thread)
How to Hide Action or Method of FB
Last updated: 2020-02-04

Codesys access to DICTIONARY OBJECTS of ethercat (CoE ) Servo Drive CODESYS Forge talk (Thread)
Codesys access to DICTIONARY OBJECTS of ethercat (CoE ) Servo Drive
Last updated: 2024-06-19

Codesys access to DICTIONARY OBJECTS of ethercat (CoE ) Servo Drive CODESYS Forge talk (Thread)
Codesys access to DICTIONARY OBJECTS of ethercat (CoE ) Servo Drive
Last updated: 2024-06-19

How to read effective version of libraries? CODESYS Forge talk (Thread)
How to read effective version of libraries?
Last updated: 2025-12-11

How to reset scroll of a table element CODESYS Forge talk (Thread)
How to reset scroll of a table element
Last updated: 2026-04-13

Post by lofty on CODESYS Download Issue CODESYS Forge talk (Post)
I am attempting to install CODESYS 3.5.22.20 and the installer gets stuck at "Install Package CODESYS Compatibility Package 3.5.17.20" every single time. I've tried reinstalling the software multiple times and the same issue persists. I've tried running the installer as an administrator and even turned off my virus protection and the same issue persists. I've attached a photo for reference. Has anyone run into this issue before or have any idea what I can do to complete the install?
Last updated: 2026-05-26

Post by dhumphries on install codesys runtime on linux CODESYS Forge talk (Post)
Adding the command worked. I was able to deploy the runtime on an ubuntu server installation. Thanks!
Last updated: 2023-11-04

Post by justthefacts77 on How to generate an "ENI" file CODESYS Forge talk (Post)
I think this is really now "Generate EtherCAT XML" command which gives the ENI topology info.
Last updated: 2024-08-08

Post by mondinmr on What happened to Python? CODESYS Forge talk (Post)
My mistake! Now is an external package. I found in installer. Sorry
Last updated: 2025-10-01

Post by egemenaksoy35 on About Codesys Task Executions CODESYS Forge talk (Post)
Hi, Regarding tasks created in Codesys, are they designed to execute sequentially or independently like how an RTOS operates? Best regards.
Last updated: 2023-12-13

Post by ph0010421 on What does CODESYS expect to do when I get such an error message CODESYS Forge talk (Post)
I've had the same with SP19 patch 2 I can't help you I'm afraid.
Last updated: 2024-01-08

Post by reinier-geers on License problem gateway CODESYS Forge talk (Post)
Hi, I want to activate a license. But got an error. This gateway endpoint is inactive
Last updated: 2024-03-27

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