ExtractCoverThumbs LOG

Exception in Tkinter callback
Traceback (most recent call last):
  File "Tkinter.pyo", line 1470, in __call__
  File "gui.py", line 158, in run
  File "ExtractCoverThumbs.pyo", line 130, in extract_cover_thumbs
  File "ExtractCoverThumbs.pyo", line 117, in generate_apnx_files
  File "apnx.pyo", line 92, in write_apnx
IOError: [Errno 2] No such file or directory: '\\\\?\\H:/documents\\Marsjanin_CJEXKXRDHPZ7UPT6Q7U62M6KXFTGVDZF.sdr\\Marsjanin_CJEXKXRDHPZ7UPT6Q7U62M6KXFTGVDZF.apnx'