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2371793 - "SOAP header Security was not understood" error during Cloud Integration message processing


You see the following error during the SAP Cloud Platform Integration message processing:

Inbound processing in endpoint at <called endpoint URL> failed with message "SoapFault:faultstring=SOAP header Security was not understood.; faultcode={}MustUnderstand



  • Cloud Integration
  • SAP Integration Suite


Cloud Integration all versions


Cloud Integration, Integration Suite, CPI, HCI, HANA Cloud Integration, worker node, endpoint URL, SOAP protocol, WS Security, WS-Security, encryption, decryption, sign, validate, IFlow, SAP Cloud Platform Integration , KBA , LOD-HCI-PI-CON-SOAP , SOAP Adapter , Problem

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