the program does not compile the model

[ponosinka]

when I try to use rbx2source to turn my model (accessory) into a prop for gmod, I always get the error "[BUILDING MODEL]
Failed to assemble model!
Message: No parts were found inside of this asset!
" and I set
"Distribute on Creator Store"
Id's : 77881188219327 113468220119090 99343115793665 110813534946301 121317197350347 117490787030730 137705404564576 117131065489653 90482043488744 134998841872813