object '0' doesn't exist

[medif]

Hi,
I runing the code for a custom dataset without rgb, after runing customdataset.py, it didn't generate the parsed files (the folder was created but it is empty), i dont understand what to put in the file (what should be in the parsed folder)and i got the error Unable to open object (object '0' doesn't exist) when i run the main.
Any help please