Failed Mass offset search for PAL (without PTMProphet): PeptideProphet Error Message

[chaudngo]

I am trying to search my PAL dataset with the Mass offset workflow to precisely assign the sites of labeling. I encountered the PeptideProphet error message and don't know how to address it properly, so any of your help is greatly appreciated.

Here is my zipped log file for your review:
log_2024-03-02_12-43-59.txt.zip