LTFS13505E Failed to mirror dentry on "STRING1" while creating cache of cartridge "STRING2" (VALUE1)

Explanation
      
    The file or path STRING1 for the dentry of the cartridge STRING2 cannot be created.
  

  
Operator response
      
    Check if you have write access to the parent directory of the path STRING1. If the problem cannot be solved, check the error message VALUE1 the was reported by the system call 'mkdir'.