Board Thread:General Mod Discussion/@comment-26062560-20170715120443/@comment-27219153-20170716170722

Alpermaltepe wrote: would it change if i switch my computers language to english

Yes, the mod (or java?) can't read the turkish 'i' so you either need to change your language or manually rename all the textures with the turkish 'i' to the english 'i'.

Here is another thread on the matter that may help you if you have more questions.