FailureCount; out of %Total; selected tapes cannot be marked as free. The tapes must be erased. Click Erase tape in the Actions ...

%FailureCount; out of %Total; selected tapes cannot be marked as free. The tapes must be erased.
Click Erase tape in the Actions pane to erase the tapes. This requirement to erase the tapes was specified in the protection groups to which the tapes previously belonged.