How To Fix XML_42020 - Web service proxy cannot be instantiated for object &1 - &2

SAP Error Message - Details

• Message type: E = Error

• Message class: XML_42 - For XML processing

• Message number: 020

• Message text: Web service proxy cannot be instantiated for object &1 - &2

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message XML_42020 - Web service proxy cannot be instantiated for object &1 - &2 ?

  The SAP error message XML_42020 indicates that there is an issue with instantiating a web service proxy for a specific object in the SAP system. This error typically arises in scenarios where the system is trying to call a web service but cannot find or create the necessary proxy object.
  Causes:
  
  
  Missing or Incorrect Proxy Configuration: The web service proxy may not be properly configured in the SAP system. This could be due to missing entries in the relevant configuration tables or incorrect settings.
  
  
  Transport Issues: If the proxy was recently transported from another system (like Development to Quality or Production), there may have been issues during the transport process that led to missing or incomplete objects.
  
  
  Authorization Issues: The user or service account attempting to instantiate the proxy may not have the necessary authorizations to access the web service.
  
  
  Service Not Active: The web service itself may not be active or properly registered in the SAP system.
  
  
  Network Issues: There could be network-related issues preventing the SAP system from reaching the web service endpoint.
  
  
  Solutions:
  
  
  Check Proxy Configuration:
  
  Go to transaction SOAMANAGER and verify the configuration of the web service proxy.
  Ensure that the service is correctly defined and that the necessary bindings are in place.
  
  
  
  Re-generate the Proxy:
  
  If the proxy is missing or corrupted, you can regenerate it. Use transaction SPROXY to check the status of the proxy and regenerate it if necessary.
  
  
  
  Check Transport Logs:
  
  If the proxy was recently transported, check the transport logs for any errors or warnings that might indicate what went wrong during the transport.
  
  
  
  Verify Authorizations:
  
  Ensure that the user or service account has the necessary authorizations to access the web service. You can check this in transaction SU53 or by reviewing the user roles.
  
  
  
  Activate the Service:
  
  Ensure that the web service is active. You can check this in transaction SOAMANAGER under the "Web Service Configuration" section.
  
  
  
  Network Configuration:
  
  Check the network configuration to ensure that there are no firewalls or other network issues preventing access to the web service endpoint.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SOAMANAGER: For managing web service configurations.
  SPROXY: For managing and checking proxy objects.
  SE80: For development and checking of objects.
  
  
  
  SAP Notes: Check for any relevant SAP Notes that might address specific issues related to web service proxies or the XML_42020 error.
  
  
  Documentation: Review SAP documentation on web services and proxies for best practices and troubleshooting steps.
  
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with your SAP Basis team or reach out to SAP support for further assistance.