Failed to compile

[Fortuna67]

Try to compile the 1.12.8 version and it gave this error

• What went wrong:
  BUG! exception in phase 'semantic analysis' in source unit 'BuildScript' Unsupported class file major version 69

Unsupported class file major version 69

[Papa-Quill]

You likely have the incorrect java_home path, make sure it's set to Java 21 if you're building for 1.21.8.