Might be the CE Version then. Uses Lua 5.3 instead of 5.1.
Can't think of anything else right now. It doesn't let me install CE 6.5 right now though.
And since I am working on the C# version I'd prioritize that over trying to fix the problem for CE 6.5 since I am not certain how to right now.
Edit:
Nevermind. Fixed the issue for CE 6.5 (Lua 5.3)
Replaced gfind with gmatch.
@reka @DarkCain Try this Version and let me know if it works.
Is development still on going? Sorry if you get tons of messages like this, I was just wondering when I could edit in items