AP Supplier jsp Page error: ERRNO, -20001, N, REASON, ORA-20001: APP-FND-02902: Multi-Org profile option is required - Oracle EBS R12

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ERROR
"You have encountered an unexpected error. Please contact the System Administrator for assistance".
The exception details show the following errors:
JBO-30003: The application pool
(erpdb.maxims.comprod1521oracle.apps.pos.supplier.server.SuppSummAM) failed to checkout an
application module due to the following exception:
oracle.jbo.JboException: JBO-29000: Unexpected exception caught:
oracle.apps.fnd.framework.OAException, msg=Application: FND, Message Name: FND_GENERIC_MESSAGE.
Tokens: MESSAGE = java.sql.SQLException: ORA-20001: SQL_PLSQL_ERROR: N, ROUTINE, MO_GLOBAL.INIT,
N, ERRNO, -20001, N, REASON, ORA-20001: APP-FND-02902: Multi-Org profile option is required.
Please set either MO: Security Profile or MO: Operating Unit profile option.
ORA-06512: at "APPS.FND_MESSAGE", line 509
ORA-06512: at "APPS.MO_GLOBAL", line 36
ORA-06512: at "APPS.MO_GLOBAL", line 757
ORA-06512: at "APPS.MO_GLOBAL", line 700
ORA-06512: at line 1

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Set the 'MO: Security Profile' profile option at Responsibility level as required.

Run Security List Maintenance concurrent program (from HRMS responsibility).

Restart Apache server.