Having a problem in building an existing java project in eclipse

Question

I am importing an existing project in my eclipse. And I am getting this error, don\'t know how to fix it. I am searching for advice if any...

The below is the error show

Answer 1

The message is saying that the .project file isn't a valid library. It's not a jar file or a directory containing a folder structure of class files. Remove that entry from your project's Java Build Path.