LTFSI1086E This operation is not allowed on a cartridge with a critical error

Explanation
      
    The specified action cannot be run because the medium is locked to the drive.
  

  
Operator response
      
    Back up the data on a valid medium. Once the backup is completed, unlock the cartridge by using the leadm tape unlock command. After the tape is unlocked, the cartridge status changes to "NEED_RECOVERY" or "WRITE_ERROR".