How To Fix CL_SEA_MESSAGES074 - Cannot read service interface proxy. Proxy metadata is null

SAP Error Message - Details

• Message type: E = Error

• Message class: CL_SEA_MESSAGES - Message class for SEW tool

• Message number: 074

• Message text: Cannot read service interface proxy. Proxy metadata is null

What causes this issue?

The generated proxy elements of the Enterprise Service are inconsistent.
The ES cannot be extended using Service Extension Workbench.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Check the proxy elements of the service using transaction SPROXY.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CL_SEA_MESSAGES074 - Cannot read service interface proxy. Proxy metadata is null ?

  The SAP error message CL_SEA_MESSAGES074: Cannot read service interface proxy. Proxy metadata is null typically indicates an issue with the service interface proxy in the SAP system. This error can occur in various scenarios, particularly when working with SAP Gateway or OData services. Below are some potential causes, solutions, and related information for this error:
  Causes:
  
  Missing or Incomplete Proxy Metadata: The proxy metadata for the service interface may not have been generated correctly or is missing.
  Service Not Activated: The OData service or the service interface may not be activated in the SAP Gateway.
  Authorization Issues: The user may not have the necessary authorizations to access the service interface.
  Transport Issues: If the service was transported from one system to another, the transport might not have included all necessary components.
  System Configuration Issues: There may be configuration issues in the SAP system that prevent the service from being read correctly.
  
  Solutions:
  
  
  Check Service Activation:
  
  Go to the SAP Gateway Service Builder (transaction code /IWFND/MAINT_SERVICE).
  Ensure that the service is activated. If it is not, activate it.
  
  
  
  Regenerate Proxy Metadata:
  
  If the proxy metadata is missing, you can regenerate it. This can be done by going to the service definition in the Service Builder and reactivating the service.
  
  
  
  Check Authorizations:
  
  Ensure that the user has the necessary authorizations to access the service. You can check this in transaction SU53 after attempting to access the service.
  
  
  
  Transport Check:
  
  If the service was transported, ensure that all necessary components were included in the transport request. You may need to re-transport the service or manually check the components.
  
  
  
  Check for Errors in the Backend:
  
  Look for any errors in the backend system that might be causing the service to fail. You can check the application logs (transaction SLG1) for any relevant error messages.
  
  
  
  Debugging:
  
  If the issue persists, consider debugging the service call to identify where the failure occurs. This may require technical expertise.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error. You can search the SAP Support Portal for notes related to service interface issues.
  Documentation: Review the SAP Gateway documentation for additional troubleshooting steps and best practices.
  Community Forums: Consider checking SAP Community forums or other online resources for similar issues and solutions shared by other users.
  
  If the problem persists after trying the above solutions, it may be beneficial to reach out to SAP support for further assistance.