Oh dear, I hate to say it but this wasn't fixed. I did test to see if I'd simply had outdated files by deleting everything including the file within the AppData/Roaming file, redownloaded and started a new save but its still the same issue.
It doesn't look like anything is different, besides the file locations but I'll post this again, just in case you notice something.
While running game code:
ScriptError: could not find label 'tehaloneending2'.
-- Full Traceback ------------------------------------------------------------
Full traceback:
File "script3.rpyc", line 3217, in script
File "C:\Desktop\ItchIo Games\Fantasia_At_Regimes_End-1.00-pc\renpy\ast.py", line 1600, in execute
rv = renpy.game.script.lookup(target)
File "C:\Desktop\ItchIo Games\Fantasia_At_Regimes_End-1.00-pc\renpy\script.py", line 873, in lookup
raise ScriptError("could not find label '%s'." % str(original))
ScriptError: could not find label 'tehaloneending2'.