Sorry I took so long to respond. I started a new game with auto tool only, bought a fishing tool and tried to assign my character to the job. This is what the log had to say.
Game Version: 0.7.0
OS: Windows
Generating portrait attribute cache took 0 minutes and 2 seconds.
Mod Loader: 4.0
Automatic Tool Equip
warn - race selection not valid
warn - race selection not valid
warn - race selection not valid
SCRIPT ERROR: Invalid call. Nonexistent function 'clone' in base 'Reference (ItemClass.gd)'.
at: select_job (<built-in>:60) - Invalid call. Nonexistent function 'clone' in base 'Reference (ItemClass.gd)'.
SCRIPT ERROR: Invalid call. Nonexistent function 'clone' in base 'Reference (ItemClass.gd)'.
at: select_job (<built-in>:60) - Invalid call. Nonexistent function 'clone' in base 'Reference (ItemClass.gd)'.