2788559 - Query cannnot be created; proxy error - exception/proxy error - SAP SuccessFactors Employee Central Integration to SAP Business Suite

When running RH_SFIOM_ORG_OBJ_REPL_QUERY or the report ECPAO_EE_ORG_REPL_QUERY, some errors like the ones below are displayed:

• CX_SY_REF_IS_INITIAL:An exception with the type CX_SY_REF_IS_INITIAL occurred, but was neither handled locally, nor declared in a RAISING clause.Dereferencing the NULL reference
• Query cannot be created; proxy error 00000000000000000000000000000000
• Query for template group 000000000, type Last Modified Query cannnot be created; proxy error
• Entry not found in ECPAO_QRY_ADM table

Checking the SRTUTIL trace, you can find more error message like  = "SRT: Plain SOAP: Getting message ID from WS-addressing failed."

• SAP SuccessFactors Employee Central integration to SAP Business Suite
• SAP SuccessFactors Employee Central integration with SAP Human Capital Management for SAP S/4HANA
• Employee Masrer Data Replication
• Organizational Object Replication
• Business Integration Builder (BIB)

SOAP Runtime Monitoring: ESRT_MONITORING 015An exception with the type CX_SY_REF_IS_INITIAL, No documentation for syslog message WS 5 exists, SM21, CX_AI_SYSTEM_FAULT when using SAP-RM and Suppress MessagesId - which is applicable to your system's release,  We get the exception message: SRT: Plain SOAP: Getting message ID from WS-addressing failed, Query for template group type Last Modified Query cannnot be created; proxy error, Entry not found in ECPAO_QRY_ADM table, ECPAO_IN_QUERY026 , KBA , LOD-EC-INT-EE , Employee Integration EC to ERP On Premise , LOD-EC-INT-ORG , Org Integration EC to ERP On Premise , How To