Multi-organization routine failed to initialize a session : EBS Integrated SOA Gateway

Hello,

I am working on 12.2.12 virtual appliance. Deployed the create_employee API as REST service and invoking from REST client ! its giving me error in ISG logs.

Error:

FNDSQL_PL SQL_ERROR ROUTINE, MO_GLOBAL.INIT ERRNO-20001M REASON, ORA-20001: SQL_PLSQL_ERROR: N, ROUTINE, MO_GLOBAL.SET_ORG_ACCESS, N, ERRNO, -20001, N, REASON, ORA-20001, APP-FND-02938, Multi-organization routine failed to initialize a session for the product: PER. Please inform your support representative.

FNDSQL_PLSQL_ERRORNROUTINE MO_GLOBAL.SET_ORG_ACCESS , ERRNO-20001, REASON ORA-20001: APP-FND-02938: Multi-organization routine failed to initialize a session for the product: PER. Please inform your support representative.