Make Undertale fangames easy, and share with the world! · By jevilhumor
when i start it after edited it makes "error", so i tried start it without editing and is the same.
It's probably out dated. ( Yes I did reply after more than half a year lol )
I joined the discord server and found the solution to the noob error.
Apparently those that use the new version of gamemaker need to use the github hosted version:
https://github.com/TML233/UndertaleEngine
when i download it its just a blank gms project with a bunch of empty groups