Oracle Message ORA-27196 - skgfpbk: sbtpcbackup returned error

ERRORskgfpbk: sbtpcbackup returned error
CAUSEsbtpcbackup returned an error. This happens when a proxy backup is begun.
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.