in Oracle 12cR2 database the following errors were thrown after upgrade:

 

ORA-00604: error occurred at recursive SQL level 1

ORA-00904: “ACDRROWTSINTCOL#”: invalid identifier

2019-09-05T06:20:26.344787+03:00

Error 704 happened during db open, shutting down database

2019-09-05T06:20:27.345361+03:00

Errors in file /orcl/oracc01/diag/rdbms/oracc01/oracc01/trace/oracc01_ora_116397.trc (incident=2040067):

ORA-00603: ORACLE server session terminated by fatal error

ORA-01092: ORACLE instance terminated. Disconnection forced

ORA-00704: bootstrap process failure

ORA-00604: error occurred at recursive SQL level 1

ORA-00904: “ACDRROWTSINTCOL#”: invalid identifier

Incident details in: /orcl/oracc01/diag/rdbms/oracc01/oracc01/incident/incdir_2040067/oracc01_ora_116397_i2040067.trc

2019-09-05T06:20:28.519786+03:00

Non critical error ORA-48913 caught while writing to trace file “/orcl/oracc01/diag/rdbms/oracc01/oracc01/incident/incdir_2040067/oracc01_ora_116397_i2040067.trc”

 

SOLUTION:

SQL> startup upgrade;

SQL> exit;

cd $ORACLE_HOME/rdbms/admin

$ORACLE_HOME/perl/bin/perl catctl.pl -n 4 catupgrd.sql

SQL> @?/rdbms/admin/utlrp.sql

SQL> startup force;

SQL> select comp_name,version from dba_registry where status = ‘VALID’;