3096174 - BIB replication: SOAMANAGER error SoapFault:faultstring=MustUnderstand headers

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While setting up a BIB Integration (Replicating Employee Master Data and Organizational Assignments from Employee Central to SAP ERP HCM (As Of Q2 2017)) the following error occurs in either SOAMANAGER and/or SAP CPI:

SOAMANAGER and CPI return the following error:
Inbound processing in endpoint at /EC_to_ERP_Master_Data_And_Org_Query failed with message "SoapFault:faultstring=MustUnderstand headers: [{http://schemas.xmlsoap.org/ws/2004/08/addressing}Action, {http://schemas.xmlsoap.org/ws/2004/08/addressing}To] are not understood.; faultcode={http://schemas.xmlsoap.org/soap/envelope/}MustUnderstand"

• SAP SuccessFactors Employee Central Integration to SAP Business Suite
  
  • Replicating Employee Master Data and Organizational Assignments from Employee Central to SAP ERP HCM (As Of Q2 2017) - BIB Integration
  • SAP Cloud Platform Integration (aka BTP Cloud Integration Administration Logistics)

Inbound processing in endpoint at /EC_to_ERP_Master_Data_And_Org_Query failed with message "SoapFault:faultstring=MustUnderstand headers: [{http://schemas.xmlsoap.org/ws/2004/08/addressing}Action, {http://schemas.xmlsoap.org/ws/2004/08/addressing}To] are not understood.; faultcode={http://schemas.xmlsoap.org/soap/envelope/}MustUnderstand", empty HTTP 202 response, SAP CPI, CPI, BTP Cloud Integration Administration Logistics, Employee Master Data and Organizational Assignments, EC, Employee Central, SAP ERP HCM, ERP, Messaging, SOAMANAGER , KBA , LOD-SF-INT-CPI-ERP , Standard SF to SAP ERP or S/4HANA Integration using CPI , LOD-SF-INT , Integrations , LOD-SF-INT-CPI , Standard SF to 3rd Party CPI (HCI) Content , LOD-HCI-PI-RT , Integration Runtime , How To