GUI build failed

Hey! I've been getting this issue for ages now and I don't understand how to fix it.

Any help?

C:\Users\Joshu\MCreatorWorkspaces\bizarre_additions\build\sources\main\java\net\mcreator\bizarre_additions\MCreatorCompactTable.java:49: error: cannot find symbol
            if (ent instanceof MCreatorCraftingTableVar.TileEntityCustom)
                                                       ^
  symbol:   class TileEntityCustom
  location: class MCreatorCraftingTableVar
Note: C:\Users\Joshu\MCreatorWorkspaces\bizarre_additions\build\sources\main\java\net\mcreator\bizarre_additions\bizarre_additions.java uses or overrides a deprecated API.
Note: Recompile with -Xlint:deprecation for details.
Note: C:\Users\Joshu\MCreatorWorkspaces\bizarre_additions\build\sources\main\java\net\mcreator\bizarre_additions\MCreatorCompactTable.java uses unchecked or unsafe operations.
Note: Recompile with -Xlint:unchecked for details.
1 error

FAILURE: Build failed with an exception.

* What went wrong:
Execution failed for task ':compileJava'.
> Compilation failed; see the compiler error output for details.

* Try:
Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output. Run with --scan to get full insights.

* Get more help at https://help.gradle.org

BUILD FAILED in 2s