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This is on a custom screen named CRM_LeadList(2)

I get the following error when I click the "Go to" link on the CRM_LeadList screen.  How do I get to the screen to repair this link? Could not run the 'Go To Tab Link' command, as there was a problem locating the Tab Link 'Edit Lead'. This Tab Link may have been deleted, or if you copied the original Screen ...