VSM-2600-00-E AMB VSAM error - entry sequenced data sets (ESDS) must use EQUAL operator

The operator used was invalid.
Restriction: This topic applies only when the AppMaster Builder AddPack has been installed, and applies only to Windows platforms.

Resolution:

Use the EQUAL or GTEQ operator for CICS. Use the EQUAL, GTEQ or > operator for MVS.