Stream Workshop sdk workshop upload tool error

[frostbag]

I try to upload mods using sdk workshop tool, but I get the following error. I want to know the solution.

SDK Frontend started 2023-08-09 6:45:43...
WSTOOL:    Initializing Steam client for game:
WSTOOL:    KFGame
Steam API initialized
Waiting for Steam task to finish.
[Writing SDK config file] 8 9, 6:47
[COMMANDLET 'KFEditor.exe make -user -installed -modini' STARTED IN ''] 8 9, 6:47
Log: Executing Class UnrealEd.MakeCommandlet
No scripts need recompiling.
Success - 0 error(s), 0 warning(s)
Execution of commandlet took:  0.00 seconds
[8 9, 6:48] COMMANDLET 'KFEditor.exe make -user -installed -modini' FAILED
[Skipping Brew]
[Skipping Upload to Workshop]
[8 9, 6:48] PIPELINE FAILED TO COMPLETE.

what is this error?