[daip] AIPS: RECAT problem

[An Tao]

Hello, 

I encountered a problem when recat or renumbering the catalog.

The error message is the following. Any suggestions? Thanks. 

AIPS 1: ZRENAM: DA01:UVD003001.1JR;      DA01:UVD002001.1JR;      IERR=
          7
AIPS 1: ZERROR: ON FILE DA01:UVD003001.1JR;
AIPS 1: ZERROR: IN ZRENA2 ERRNO = 1 (Operation not permitted)
AIPS 1: DISK  1 IN-CNO    3 OUT-CNO    2 RENUMBERING PROBLEM
AIPS 1: Disk  1 No files needed renumbering

Regards,
Tao An