FABL0020E VERSION NOT MATCHED, ACB1=x.x ACB2=y.y
Explanation
The ACB in ACBLIB is generated by IMS version x.x, and the ACB in ACBLIB2 is generated by IMS version y.y. Block-level compare does not support comparing ACB members of different IMS releases.
System action
The DBD/PSB/ACB Compare utility continues processing without reporting for these ACB members.
User response
Check the ACB members and the ACB library version. If you want to compare the members of different IMS releases, generate the source-level compare report.