EQA9952E Error in locate of z/OS® Debugger RCB.

Explanation
z/OS Debugger
CICS® PLT program EQA0CPLT detected an error during the search
for z/OS Debugger region-level resources.

Programmer response
An error has likely occurred during z/OS Debugger
CICS region initialization. Ensure that Language Environment® is properly installed in the CICS region. Also, verify that the z/OS Debugger
hlq.SEQAMOD data set is in the region DFHRPL DD and the
CICS resource definitions from
hlq.SEQASAMP(EQACCSD) have been added.