Compiling is needed to throw Errors/Informations.
Did you may copy/paste plugin from one location to another and working in the wrong location with VS Code or whatever, so this would also clarify why its not compiling, i had something similar last time.
I always create plugins on the Desktop then i drag it into the plugins folder and last time i changed some stuff and it was not compiling till i found out i'm changing it out of my Desktop and not from the plugin folder, but i thought i edited it in the plugin folder.
Provide the full code, so i can check it.