VSM-2670-00-E AMB VSAM error - REF keyword must use key qualification

The DB-OBTAIN used with the REF keyword must also specify the WHERE key qualification clause.
Restriction: This topic applies only when the AppMaster Builder AddPack has been installed, and applies only to Windows platforms.

Resolution:

Code the WHERE key qualification to specify the key search criteria for the MVS START or CICS STARTBR call.