It's a standard one.
# Settings made here will only override settings in the global retroarch.cfg if placed above the #include line input_remapping_directory = "/opt/retropie/configs/vectrex/" #include "/opt/retropie/configs/all/retroarch.cfg"Do you have a good ovelay picture, can you check with a viewer ?
Perhaps you should update Retroarch and reinstall the vectrex core.