Eclipse could not delete error

Question

I\'m working on a project with Eclipse and by now everything was fine, but last time I\'ve tried building it, it returned the error,

\"The project was

Answer 1

Sometimes it can be resolved simply by cleaning the project and rebuilding it. This worked for me just before.

In addition, clicking 'Build Automatically' in the 'Project' tab is usually more convenient for resolving minor problems.