have you checked a mod that conflicts the IDs? (13000-13060)

I havent used any other mods while running it

did you checked if you have enabled cheats on singleplayer? and do a /give (itemID), or you can craft it using cloths and leathers if you want to play as it's intended

引用自 Miller：

did you checked if you have enabled cheats on singleplayer? and do a /give (itemID), or you can craft it using cloths and leathers if you want to play as it's intended

ok thanks