java.lang.IllegalArgumentException error, but I don't know why

[lapidcj]

Hello :
I got "java.lang.IllegalArgumentException" error when using lombok-ext-2.3.4.jar. This caused my target path exists no class files only package path. I don't know why?

https://stackoverflow.com/questions/72649104/vscode-no-class-files-in-target-path-but-have-package-path-why/72654817#72654817