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2433990 - WS-Addressing headers "are not understood" - error during message processing in Cloud Integration


Message Processing failed in Cloud Integration with below error:


Inbound processing in endpoint at /ERP_to_EC_EmployeeMasterDataReplicationConfirmation failed with message "SoapFault:faultstring=MustUnderstand headers: [{}Action, {}To] are not understood.; faultcode={}MustUnderstand"

Image/data in this KBA is from SAP internal systems, sample data, or demo systems. Any resemblance to real data is purely coincidental.



  • SAP Cloud Integration
  • SAP Integration Suite


SAP Cloud Platform Integration for process services 1.0


SOAP protocol, SOAP 1.1, SOAP 1.2, SOAP version, namespace, WebService, WS-Addressing, WS-A header, logical port, MustUnderstand, SAP RM, Reliable Messaging, worker node, endpoint URL, CPI, SCPI, Cloud Platform Integration, HCI, HANA Cloud Integration, Cloud Integration , KBA , LOD-HCI-PI-RT , Integration Runtime , BC-ESI-WS-ABA , Web Service and SOAP - ABAP , Problem

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