Unable to disable or delete/remove a plugin

I was working on a plugin and accidentally deleted one of the files via CPM. Next thing I know is that the plugin would not update, disable or delete. PowerSchool returned a Java Runtime error message. I was stuck!

It turns out, there are two ways to resolve this:

• Wait for nightly processes to happen
• Restart the PowerSchool services

At this point, I am not sure why those two solutions work, but they do.

Here is the screenshot of the error: