3429709 - IPS job replicating to subaccount fails with error "The request to create an entity has failed with: 409 Conflict"

• IPS job populating users from ABAP environment to BTP subaccount fails with the below error message in the IPS job logs:
  

  Cannot execute provisioning job in tenant context: <ID number>
  Caused by: Error during execution on behalf of tenant with ID: <ID number>
  Caused by: Could not process successfully all entities from system with name: <IPS job name> and id: <ID number>

• The below error can be seen under "Failed Entities":
  

  user:<business user ID>,
  system=SAP BTP cockpit - <subaccount name>,
  time=<timestamp>,
  error=The request to create an entity has failed with: 409 Conflict '{"error_description":"Email already in use: <email address>","error":"scim_resource_already_exists","message":"Email already in use: <email address>"}' The attempt to retrieve the existing entity from the target system was unsuccessful. No user found from https://api.authentication.<tenant>.hana.ondemand.com/Users?filter=userName eq "<user ID>" and origin eq "sap.custom", content={"emails":[{"primary":true,"value":"<email address>"}],"id":"xsuaa-dummy-value","name":{"familyName":"<surname>","givenName":"<first name>"},"origin":"sap.custom","schemas":["urn:scim:schemas:core:1.0"],"userName":"<user ID>"}

• SAP Identity Provisioning
• SAP Business Technology Platform

BTP, IPS, user, 409, Conflict, subaccount ABAP, Identity Provisioning, Business Technology Platform , KBA , BC-IAM-IPS , Identity Provisioning Service (IPS) , Problem