Name 'item' conflicts with existing module, project, or object library

This error has the following causes:

• You loaded a Form, User Control , User Document, or Property Page that contains objects with conflicting names.

  This can occur if the file was edited outside of Visual Basic.

• You renamed a form to the same name as the project, another form, or a module.
  
  
• You renamed the project to the same name as a form or module.