How To Fix OPP_CORE007 - Call of the REST service failed due to communication problems

SAP Error Message - Details

• Message type: E = Error

• Message class: OPP_CORE - Messages for OPP core functionality

• Message number: 007

• Message text: Call of the REST service failed due to communication problems

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message OPP_CORE007 - Call of the REST service failed due to communication problems ?

  The SAP error message OPP_CORE007 indicates that there was a failure in calling a REST service due to communication problems. This error typically arises in the context of SAP's Process Integration (PI) or Process Orchestration (PO) environments, where the system attempts to communicate with external services via REST APIs.
  Causes of OPP_CORE007
  
  
  Network Issues: There may be network connectivity problems between the SAP system and the external REST service. This could be due to firewall settings, DNS resolution issues, or network outages.
  
  
  Service Unavailability: The external REST service may be down or not reachable. This could be due to maintenance, server issues, or incorrect service URLs.
  
  
  Incorrect Configuration: The configuration settings for the REST service in SAP might be incorrect. This includes the endpoint URL, authentication details, or request parameters.
  
  
  Timeouts: The request to the REST service may be timing out due to slow response times from the external service.
  
  
  Authentication Issues: If the REST service