Upgrade from version 15.9.3 to 16.0.0 failed with the following error stack:
25/35/27 7:41 PM (ExecTask) Process - post-upgrade: POSTUPGRADE_DE62666_ADD_CSP_DOMAIN.xml
25/35/27 7:41 PM (ExecTask) com.ca.clarity.jdbc.oraclebase.ddc: [CA Clarity][Oracle JDBC Driver][Oracle]ORA-06550: line 10, column 9:
25/35/27 7:41 PM (ExecTask) PLS-00306: wrong number or types of arguments in call to 'CMN_FEATURE_INS_SP'
25/35/27 7:41 PM (ExecTask) ORA-06550: line 10, column 9:
25/35/27 7:41 PM (ExecTask) PL/SQL: Statement ignored
Occurred in a non-production system. The Production DB had the correct number of arguments, whereas the non-production system had a parameter missing in the CMN_FEATURE_INS_SP procedure.
Refreshed the non-production system again, from a fresh copy of Production.