Readiness Check for OPSS Schema Fails

When you upgrade Oracle Access Manager 11.1.2.3.0 environments that is upgraded from 11g Release 2 (11.1.2.1.0), the readiness check for Oracle Platform Security Services (OPSS) schema fails with the following exception”

Starting schema test:  SEQUENCE_TEST  Test that the Oracle Platform Security 
Services schema sequence and its properties are valid       
EXCEPTION JPSCHANGELOG_SEQ sequence is missing       
EXCEPTION JPSDN_SEQ sequence is missing       
EXCEPTION JPSATTRS_SEQ sequence is missing     
Completed schema test: SEQUENCE_TEST --> Test that the Oracle Platform Security 
Services schema sequence and its properties are valid +++ FAIL  .  
Starting schema test:  TEST_REQUIRED_TABLES  Test that the schema contains  
all the required tables       
EXCEPTION    Schema is missing a required table: JPS_ENTITY_LOCK     
Completed schema test: TEST_REQUIRED_TABLES --> Test that the schema  
contains all the required tables +++ FAIL
This is a known issue for a multi-step (chain) upgrade. This exception can be ignored.