Please someone can help me with this error "Assertion failed: !IsRunningCommandlet()"

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I can’t fix that someone can give a light?

UATHelper: Packaging (Windows): LogWindows: Error: begin: stack for UAT
UATHelper: Packaging (Windows): LogWindows: Error: === Critical error: ===
UATHelper: Packaging (Windows): LogWindows: Error:
UATHelper: Packaging (Windows): LogWindows: Error: Assertion failed: !IsRunningCommandlet() [File:D:\build++UE5\Sync\Engine\Source\Editor\UnrealEd\Private\UnrealEdGlobals.cpp] [Line: 51]
UATHelper: Packaging (Windows): LogWindows: Error: The global mode manager should not be created or accessed in a commandlet environment. Check that your mode or module is not accessing the global mode tools or that scriptable features of modes have been moved to subsystems.
UATHelper: Packaging (Windows): LogWindows: Error:
UATHelper: Packaging (Windows): LogWindows: Error:
UATHelper: Packaging (Windows): LogWindows: Error: [Callstack] 0x00007ffe34e22845 UnrealEditor-UnrealEd.dll!UnknownFunction []
UATHelper: Packaging (Windows): LogWindows: Error: [Callstack] 0x00007ffe34e19c89 UnrealEditor-UnrealEd.dll!UnknownFunction []
UATHelper: Packaging (Windows): LogWindows: Error: [Callstack] 0x00007ffe033575aa UnrealEditor-GameplayDebugger.dll!UnknownFunction []
UATHelper: Packaging (Windows): LogWindows: Error: [Callstack] 0x00007ffe03362fc0 UnrealEditor-GameplayDebugger.dll!UnknownFunction []
UATHelper: Packaging (Windows): LogWindows: Error: [Callstack] 0x00007ffe03355e31 UnrealEditor-GameplayDebugger.dll!UnknownFunction []
UATHelper: Packaging (Windows): LogWindows: Error: [Callstack] 0x00007ffe03355f76 UnrealEditor-GameplayDebugger.dll!UnknownFunction []
UATHelper: Packaging (Windows): LogWindows: Error: [Callstack] 0x00007ffe03354540 UnrealEditor-GameplayDebugger.dll!UnknownFunction []
UATHelper: Packaging (Windows): LogWindows: Error: [Callstack] 0x00007ffe03360d3a UnrealEditor-GameplayDebugger.dll!UnknownFunction []
PackagingResults: Error: begin: stack for UAT
PackagingResults: Error: === Critical error: ===
PackagingResults: Error: Assertion failed: !IsRunningCommandlet() [File:D:\build++UE5\Sync\Engine\Source\Editor\UnrealEd\Private\UnrealEdGlobals.cpp] [Line: 51]
PackagingResults: Error: The global mode manager should not be created or accessed in a commandlet environment. Check that your mode or module is not accessing the global mode tools or that scriptable features of modes have been moved to subsystems.
PackagingResults: Error: [Callstack] 0x00007ffe34e22845 UnrealEditor-UnrealEd.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffe34e19c89 UnrealEditor-UnrealEd.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffe033575aa UnrealEditor-GameplayDebugger.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffe03362fc0 UnrealEditor-GameplayDebugger.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffe03355e31 UnrealEditor-GameplayDebugger.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffe03355f76 UnrealEditor-GameplayDebugger.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffe03354540 UnrealEditor-GameplayDebugger.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffe03360d3a UnrealEditor-GameplayDebugger.dll!UnknownFunction []
UATHelper: Packaging (Windows): LogWindows: Error: [Callstack] 0x00007ffe03350dc6 UnrealEditor-GameplayDebugger.dll!UnknownFunction []
UATHelper: Packaging (Windows): LogWindows: Error: [Callstack] 0x00007ffe38756c0e UnrealEditor-Engine.dll!UnknownFunction []
UATHelper: Packaging (Windows): LogWindows: Error: [Callstack] 0x00007ffe3876d07a UnrealEditor-Engine.dll!UnknownFunction []
UATHelper: Packaging (Windows): LogWindows: Error: [Callstack] 0x00007ffe3876f191 UnrealEditor-Engine.dll!UnknownFunction []
UATHelper: Packaging (Windows): LogWindows: Error: [Callstack] 0x00007ffe3875c998 UnrealEditor-Engine.dll!UnknownFunction []
UATHelper: Packaging (Windows): LogWindows: Error: [Callstack] 0x00007ffe3860a1f3 UnrealEditor-Engine.dll!UnknownFunction []
UATHelper: Packaging (Windows): LogWindows: Error: [Callstack] 0x00007ffe344c81ea UnrealEditor-UnrealEd.dll!UnknownFunction []
UATHelper: Packaging (Windows): LogWindows: Error: [Callstack] 0x00007ff73bc98e46 UnrealEditor-Cmd.exe!UnknownFunction []
UATHelper: Packaging (Windows): LogWindows: Error: [Callstack] 0x00007ff73bc90bbd UnrealEditor-Cmd.exe!UnknownFunction []
UATHelper: Packaging (Windows): LogWindows: Error: [Callstack] 0x00007ff73bc90e8a UnrealEditor-Cmd.exe!UnknownFunction []
UATHelper: Packaging (Windows): LogWindows: Error: [Callstack] 0x00007ff73bc93c4d UnrealEditor-Cmd.exe!UnknownFunction []
UATHelper: Packaging (Windows): LogWindows: Error: [Callstack] 0x00007ff73bca5564 UnrealEditor-Cmd.exe!UnknownFunction []
UATHelper: Packaging (Windows): LogWindows: Error: [Callstack] 0x00007ff73bca788a UnrealEditor-Cmd.exe!UnknownFunction []
UATHelper: Packaging (Windows): LogWindows: Error: [Callstack] 0x00007ffe9a2f7614 KERNEL32.DLL!UnknownFunction []
UATHelper: Packaging (Windows): LogWindows: Error: [Callstack] 0x00007ffe9bb026a1 ntdll.dll!UnknownFunction []
UATHelper: Packaging (Windows): LogWindows: Error:
UATHelper: Packaging (Windows): LogWindows: Error: end: stack for UAT
PackagingResults: Error: [Callstack] 0x00007ffe03350dc6 UnrealEditor-GameplayDebugger.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffe38756c0e UnrealEditor-Engine.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffe3876d07a UnrealEditor-Engine.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffe3876f191 UnrealEditor-Engine.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffe3875c998 UnrealEditor-Engine.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffe3860a1f3 UnrealEditor-Engine.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffe344c81ea UnrealEditor-UnrealEd.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ff73bc98e46 UnrealEditor-Cmd.exe!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ff73bc90bbd UnrealEditor-Cmd.exe!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ff73bc90e8a UnrealEditor-Cmd.exe!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ff73bc93c4d UnrealEditor-Cmd.exe!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ff73bca5564 UnrealEditor-Cmd.exe!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ff73bca788a UnrealEditor-Cmd.exe!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffe9a2f7614 KERNEL32.DLL!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffe9bb026a1 ntdll.dll!UnknownFunction []
PackagingResults: Error: end: stack for UAT
UATHelper: Packaging (Windows): Took 11,8541045s to run UnrealEditor-Cmd.exe, ExitCode=3
UATHelper: Packaging (Windows): ERROR: Cook failed.
UATHelper: Packaging (Windows): (see C:\Users\berna\AppData\Roaming\Unreal Engine\AutomationTool\Logs\F+UE_5.0\Log.txt for full exception trace)
PackagingResults: Error: Cook failed.
UATHelper: Packaging (Windows): AutomationTool executed for 0h 0m 15s
UATHelper: Packaging (Windows): AutomationTool exiting with ExitCode=25 (Error_UnknownCookFailure)
UATHelper: Packaging (Windows): BUILD FAILED
PackagingResults: Error: Unknown Cook Failure
LogDerivedDataCache: C:/Users/berna/AppData/Local/UnrealEngine/Common/DerivedDataCache: Maintenance finished in +00:00:12.091 and deleted 0 file(s) with total size 0 MiB.

1 Like
2

The error message also suggests that there may be a problem with a mode or module that is accessing the global mode tools or scriptable features of modes.

To troubleshoot this issue, you can try the following steps:

  • Check if you have any custom code that might be interacting with the global mode manager or global mode tools, and see if you can move that code to a subsystem.
  • Check if you have any custom modules or plugins that might be accessing the global mode tools, and see if you can update them to work in a commandlet environment.
  • Make sure that you don’t have any editor-only functionality in your project that might be causing this issue. Some editor-only functionality, such as Blueprint nodes, are not supported in a commandlet environment.
  • Try packaging your project on another computer and see if the problem persists.
1 Like
3

Same issue here! Have you found a solution already for this point? Thanks man!

EDIT: I encountered this issue on Friday and managed to resolve it today by simply opening the project again in the 5.3 engine. It was originally created for 5.0. Give it a try, and see if it helps!

1 Like
4

Yeah this is a problem with “Actor Sequences” to fix this you just need to create a trigger on final “Sequence animation” and STOP this animation. this little trick fix this crash in multiplayer projects

Edit: This crash only occurs in UE 5.1.1 after this build Epic has fixed that