3278552 - DB2: SQLCODE = -204 SAPR3.DB2QCLTRC is an undefined name

After unicode conversion and SAP system upgrade, you get following issues:

• Symptom 1
  
  Transaction code "dbacockpit" returns error: Table SAPR3.DB2QCLREQ not found in DB2 catalog.
  
  
• Symptom 2
  
  SAP collector setup fails at step "Create Tables".
  
  Error calling SAPCL 20221122 123456  DB2-call 'PREPARE' failed: sqlcode 
  = -204 (SAPR3.DB2QCLTRC) 20221122 123456  SQL statement: 20221122 123456
  CONNECT  20221122 123456   DSNT408I SQLCODE = -204, ERROR:  
  SAPR3.DB2QCLTRC IS AN UNDEFINED NAME                                    
  DSNT418I SQLSTATE   = 42704 SQLSTATE RETURN CODE                        
  DSNT415I SQLERRP    = DSNXOTL SQL PROCEDURE DETECTING ERROR

In the SAPCL trace (Directory: "/u/<sid>adm/sapcl_trace/" on the z/OS USS side), it gives error "Invalid DB2 version C1"

start trace 20221122123456
CLERR (00) 20221122 123456   DB2-call 'PREPARE' failed: sqlcode = -204 (SAPR3.DB2QCLTRC)
CLERR (00) 20221122 123456   SQL statement:
CLERR (00) 20221122 123456   CONNECT
CLERR (00) 20221122 123456   DSNT408I SQLCODE = -204, ERROR:  SAPR3.DB2QCLTRC IS AN UNDEFINED NAME                                                          
                                               DSNT418I SQLSTATE   = 42704 SQLSTATE RETURN CODE                                                                                
                                               DSNT415I SQLERRP    = DSNXOTL SQL PROCEDURE DETECTING ERROR                                                                                                                              
CLERR (00) 20221122 123456  Invalid DB2 version C1.
stop trace: 20221122 123456

• SAP Netweaver 7.5
• SAP Kernel 7.53
• Db2 on z/OS 12.1.5
• SAPCL Release 720

DB2QCLREQ, DB2 catalog, SQLCODE = -204, DB2QCLTRC, Invalid DB2 version C1

, KBA , BC-DB-DB2-CCM , DB2 for z/OS - CCM/Database monitors , BC-DB-DB2 , DB2 for z/OS , Problem