FABX0501E UNSUPPORTED LEVEL OF IMS IS BEING USED: `xx.x`.

Explanation
 The version of the IMS.SDFSRESL
data set in the STEPLIB is not supported by the Catalog Manager utility. 

System action
 The Catalog Manager utility ends
with a return code of 8.

User response
Specify the IMS.SDFSRESL
data set of a supported IMS version
and rerun the job.