How To Fix PAK351 - SAP_GWFND component check: Invalid use of external objects

SAP Error Message - Details

• Message type: E = Error

• Message class: PAK - Package API / Package Tools

• Message number: 351

• Message text: SAP_GWFND component check: Invalid use of external objects

What causes this issue?

In package &V3& of the software component SAP_GWFND, use of the
development object &V1& &V2& of software component &V4& is forbidden.

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?

Remove all uses of the development object &V1& &V2&.

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 PAK351 - SAP_GWFND component check: Invalid use of external objects ?

  The SAP error message PAK351, which is associated with the SAP_GWFND component, indicates an issue related to the use of external objects in your SAP system. This error typically arises when there is an invalid or incorrect reference to external objects in your code or configuration, particularly in the context of SAP Gateway or OData services.
  Cause:
  
  Invalid References: The error can occur if there are references to external objects (like classes, interfaces, or data types) that are not correctly defined or accessible in the current context.
  Missing Dependencies: If the external objects are part of a package or component that is not properly installed or activated, this can lead to the error.
  Incorrect Configuration: Misconfiguration in the OData service or Gateway settings can also trigger this error.
  Transport Issues: If the objects were transported from one system to another and dependencies were not included, this could lead to invalid references.
  
  Solution:
  
  Check Object References: Review the code or configuration where the error is occurring. Ensure that all external objects are correctly defined and accessible.
  Activate/Install Missing Components: If the error is due to missing components, ensure that all necessary packages and components are installed and activated in your SAP system.
  Review OData Service Configuration: If the error is related to an OData service, check the service configuration in the SAP Gateway. Ensure that all necessary entities and associations are correctly defined.
  Transport Dependencies: If the issue arose after a transport, verify that all dependent objects were included in the transport request. You may need to re-transport missing objects.
  Debugging: Use the ABAP debugger to trace the execution and identify the exact point where the error occurs. This can provide insights into what external object is causing the issue.
  Consult Documentation: Refer to SAP documentation or notes related to the specific version of SAP you are using for any known issues or additional troubleshooting steps.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to the PAK351 error. SAP frequently updates their knowledge base with solutions for common errors.
  SAP Community: Engage with the SAP Community forums where other users may have encountered similar issues. You can find discussions and solutions that may help resolve your problem.
  System Logs: Review system logs (transaction SLG1) for additional error messages or warnings that may provide more context about the issue.
  
  By following these steps, you should be able to identify and resolve the cause of the PAK351 error in your SAP system.