IGDACSDC - SMS DataClass Exit

Hello all,

I am upgrading z/OS 1.4 -> z/OS 1.6

In the 1.4 system I have a DFSMS ACS Data Class Exit active.

I reinstalled it, unchanged, into the 1.6 system.

LOGGER wants to allocate a dataset, but SMS is failing the allocation.

IGD01011I DATA SET ALLOCATION REQUEST FAILED -
ACS DATACLAS INSTALLATION EXIT RETURNED
WHICH DOES NOT EXIST

I suppose that something has changed in dataclass verification in my new
system. And that is blanks after the "RETURNED"

I was hoping for a hint as to what I may have left out in my dataclass exit
before, that is being validated now.

I have tried the system with the exit removed, and the dataset was
correctly allocated.

Regards
Bruce Hewson

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