BSLN_MAINTAIN_STATS_JOB fails with ORA-12012, ORA-06502, ORA-06512

Problem Description
The BSLN_MAINTAIN_STATS_JOB doesn't run anymore.
From the trace file we see the following information.
ORA-12012: error on auto execute of job 11689
ORA-06502: PL/SQL: numeric or value error
ORA-06512: at "DBSNMP.BSLN_INTERNAL", line 2073

Cause of the Problem
Table DBSNMP.BSLN_BASELINES contains inconsistent information. In this case, after database cloning, existing records in table "DBSNMP.BSLN_BASELINES" conflict with new baseline information inserted in the cloned database.

Solution of the Problem
The DBSNMP user needs to be dropped and re-created.

Login as sys user.

SQL> sqlplus / as sysdba

From the sqlplus execute the following:

Drop the user by executing catnsnmp.sql script.
SQL> @$ORACLE_HOME/rdbms/admin/catnsnmp.sql

Create the DBSNMP user by executing catsnmp.sql
SQL> @$ORACLE_HOME/rdbms/admin/catsnmp.sql