Do you want to export specified object before removing it?
Office 2013
You can export forms and modules, and reload them at another time. This error has the following cause and solution:
You are removing a form or module from the project.
To preserve the module, export it. You can then import it at a future time.
For additional information, select the item in question and press F1 (in Windows) or HELP (on the Macintosh).