Recent posts to internal errorhttps://forge.codesys.com/forge/talk/Engineering/thread/ae7c428039/Recent posts to internal errorenTue, 14 Apr 2026 18:01:59 -0000internal errorhttps://forge.codesys.com/forge/talk/Engineering/thread/ae7c428039/?limit=25#6ad9<div class="markdown_content"><p>Hi ive got an internal error. BUt no solution for this. How do i solve this ?</p> <div class="codehilite"><pre><span></span><code> ------ Build started: Application: Slave_3.Application ------- </code></pre></div> <p><span>[ERROR]</span> Internal error:System.NullReferenceException: De objectverwijzing is niet op een exemplaar van een object ingesteld. bij _3S.CoDeSys.ObjectManager.ExistingPSNode.get_ParentObjectGuid() bij _3S.CoDeSys.ObjectManager.AbstractPSNode.get_ParentNode() bij _3S.CoDeSys.ObjectManager.ProjectStructure.ConsolidateAndClearPendingChanges(LList`1 pendingChanges) bij _3S.CoDeSys.ObjectManager.ProjectStructure.RaisePendingChanges(Boolean bTriggerPendingChanges2) bij _3S.CoDeSys.ObjectManager.Project.HandleUndoMgrAfterEndCompoundAction2(EventArgs e) bij _3S.CoDeSys.ObjectManager.UndoManager.OnAfterEndCompoundAction2(EventArgs e) bij _3S.CoDeSys.ObjectManager.UndoManager.EndCompoundAction() bij _3S.CoDeSys.DeviceEditorSoftMotion.StaticSoftMotionEditor._ehBeforeCompile(Object sender, CompileEventArgs e) bij _3S.CoDeSys.Core.LanguageModel.CompileEventHandler.Invoke(Object sender, CompileEventArgs e) bij _3S.CoDeSys.Core.LanguageModel.CompileEventHandler.Invoke(Object sender, CompileEventArgs e) bij _3S.CoDeSys.LanguageModelManager.LanguageModelManagerConsolidated.OnBeforeCompile(CompileEventArgs e) bij _3S.CoDeSys.LanguageModelManager.LanguageModelManagerConsolidated.RaiseAndCheckBeforeCompile(Guid guidApplication, IMessageCategory cmc) bij ..(Boolean , Boolean , Boolean ) bij _3S.CoDeSys.Compiler35210.CompilerPhases.CompilerPhaseControllerGenerateCode.(Boolean ) bij _3S.CoDeSys.Compiler35210.CompilerPhases.CompilerPhaseControllerGenerateCode.()<br/> Build complete -- 1 errors, 0 warnings : No download possible</p></div>Reinier GeersTue, 14 Apr 2026 18:01:59 -0000https://forge.codesys.coma46581a5bf7fb44ce157b63b499aab5bf46f8137