Oracle Message ORA-27027 - sbtremove2 returned error

ERRORsbtremove2 returned error
CAUSEsbtremove2 returned an error. This happens when deleting a backup file.
ACTIONThis error is returned from the media management software which is linked with Oracle. There should be additional messages which explain the cause of the error. This error usually requires contacting the media management vendor.

636847 Composite SAP note ORA-19511