java.lang.NoSuchFieldError: listAllMaterials

[DaysofKnight]

I can't seem to find the issue with this error. Someone else posted this error but they got a bullshit answer that didn't help them or me in any way, so I'm posting it again to get some actual help

Here's a Pastebin of the crash report  https://pastebin.com/Lu2x1QJh

[kiou.23]

1.12.2 is no longer supported

Please update to a modern version of minecraft to receive support

 

Edited May 18, 2021 by kiou.23