The system detected that the CDS was defined with the NOREUSE option. The system attempts to alter the CDS to REUSE but fails. The accompanying return and reason code explain the problem.

In the message text:

cds_type

The type of CDS. The CDS is either ACDS or COMMDS.

dsname

The data set name of the CDS.

rc

The return code from CSI.

rsnc

The reason code. If the reason code is non-zero, see the explanation for the reason code in message IDC3009I in z/OS MVS System Messages, Vol 6 (GOS-IEA).