1.12.2 Java Edition 1.12.2 - keep getting exit code 1

[Mattforge]

Since about a week ago, whenever I try to play on forge it crashes and shows 'exit code: 1'. Reading the log by myself it seems to be related to 'uncaught exception 1052'. Here is the pastebin for the debug.log file. https://pastebin.com/4TQXEdmr Would really appreciate any help.

[TileEntity]

Make a test without the mod serializationisbad

[Mattforge]

Still the same, the log: https://pastebin.com/xCATmh62.

[Mattforge]

Nevermind, managed to fix it. Thank you. 🙂