How To Fix MSG_CL_ER000 - Proxy instantiation error

SAP Error Message - Details

• Message type: E = Error

• Message class: MSG_CL_ER - Message Class for Enterprise Registry

• Message number: 000

• Message text: Proxy instantiation error

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message MSG_CL_ER000 - Proxy instantiation error ?

  The SAP error message "MSG_CL_ER000 Proxy instantiation error" typically indicates an issue with the instantiation of a proxy class in the SAP system. This error can occur in various contexts, such as when working with SAP Business Application Programming Interfaces (BAPIs), Web Services, or when using the SAP Cloud Platform.
  Causes:
  
  Missing or Incorrect Proxy Class: The proxy class that is being called may not exist, or it may not be correctly generated.
  Authorization Issues: The user may not have the necessary authorizations to access the proxy or the underlying service.
  Configuration Issues: There may be misconfigurations in the service definition or in the communication settings.
  Network Issues: Problems with network connectivity or firewall settings can prevent the proxy from being instantiated.
  Version Mismatch: The version of the proxy being used may not be compatible with the backend service.
  
  Solutions:
  
  Check Proxy Class: Ensure that the proxy class exists and is correctly generated. You can regenerate the proxy using transaction SPROXY or SOAMANAGER.
  Review Authorizations: Verify that the user has the necessary authorizations to access the proxy and the underlying services.
  Configuration Review: Check the configuration settings in SOAMANAGER to ensure that the service is correctly defined and activated.
  Network Troubleshooting: Ensure that there are no network issues preventing access to the service. Check firewall settings and network connectivity.
  Version Compatibility: Ensure that the versions of the proxy and the backend service are compatible. If necessary, update the proxy or the service.
  
  Related Information:
  
  Transaction Codes: 
  
  SPROXY: For managing and generating proxy objects.
  SOAMANAGER: For managing web service configurations and settings.
  
  
  Logs and Traces: Check the application logs (transaction SLG1) and the system logs (transaction SM21) for more detailed error messages that can provide additional context.
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address specific issues related to proxy instantiation errors.
  
  If the problem 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.