The following error occurs in the second step of fall back job AXFFB01.
CA11MUF:DB00135I - CONNECT TO CA11MUF CA11MF1 JOB81570 SYP R12 SP0 0001 R12 SP0
CA11MUF:DB00101I - STARTED JOB-T311JDPE NUMBER--1706 CXX=AD12CXX MUFNAME=CA11MF SVC=221
CA11MUF:DB00501E - OPEN ERROR - RETURN CODE 76 (010) CXX=AD12CXX (IXX00601) MUFNAME=CA11MF1 SVC=221
DB10045E - ABNORMAL TERMINATION DUE TO ERROR(S)
IEF450I T311JDPE LINK12 - ABEND=S000 U0004 REASON=00000000
The Database needs to be close in order to process DBUTLTY LINK to the previous version. Add the CLOSE statement under the second step under the AXFFB01 job
//SYSIN DD *
*
COMM OPTION=CLOSE,DBID=601
LINK DBID=601
ACCESS STATUS=WRITE,DBID=601
/*
//*