2509 (09CD) (RC2509): MQRC_DURABILITY_NOT_ALTERABLE

Explanation

An MQSUB call using option MQSO_ALTER was made changing the durability of the subscription. The durability of a subscription cannot be changed.

Completion code

MQCC_FAILED

Programmer response

Remove the subscription using MQCLOSE and re-create it with MQSUB with the attributes set correctly, or change the durability option used on the MQSUB call so that it matches the existing subscription.