FABN0086W GSAM DBD dbdname IN IMS CATALOG IS NOT VALID.
Explanation
The indicated GSAM DBD is found in the IMS catalog directory but it is not in a valid format.
System action
Skips this member and tries to load the next member if it exists.
User response
To correct the DBD, run the DBD, PSB, and ACB generation utilities and then use the IMS Catalog Populate utility (DFS3PU00) to populate the IMS catalog. You can also use the ACB Generation and Catalog Populate utility (DFS3UACB) to generate and populate ACBs.