Trying to connect CICS to a CA Datacom MUF fails with error:
DB01801E - INTERFACE ERROR - 51
DB00502E - REQUEST ERROR - RETURN CODE 83 (080)
The error indicates the 15.1 version of the Program Call (PC) routine module DBPCCPR, has not been loaded into memory.
Run DBUTLTY with REPORT MEMORY=MVS to see if any DBPCCPR module has been loaded.
The report will look like this:
MODULES IN COMMON MEMORY MODULE REL DATE TIME RMID FMID
CROSS MEMORY PC=PROD 15.0 DBPCCPR 15.1 20200511 14.21 SO11513 CABDF1
Release : 15.1
Component : CA DATACOM/DB
Run INSTJCL member BDRIM01 (DB) or AXRIM01 (AD) to execute CAIRIM and load DBPCCPR.