How To Fix SC003 - Function can only be used with external modules

SAP Error Message - Details

• Message type: E = Error

• Message class: SC - Program analysis tools

• Message number: 003

• Message text: Function can only be used with external modules

What causes this issue?

Your user profile does not contain the authorization to display CUA
interfaces.

System Response

You cannot display any CUA interfaces.

How to fix this error?

Ask your system administrator for the appropriate authorization.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message SC003 - Function can only be used with external modules ?

  The SAP error message SC003, which states "Function can only be used with external modules," typically occurs when you are trying to use a function or feature that is intended for external modules or systems, but the current context does not support it. This can happen in various scenarios, such as when working with SAP Business Workflow, SAP PI/PO, or other integration scenarios.
  Cause:
  
  Incorrect Context: The function you are trying to use is designed to work only with external modules or systems, and you are attempting to use it in a context that does not support it.
  Configuration Issues: There may be configuration settings that are not properly set up, preventing the function from being executed.
  Missing External Module: The required external module or component may not be installed or activated in your SAP system.
  Authorization Issues: The user executing the function may not have the necessary authorizations to access the external module.
  
  Solution:
  
  Check Context: Ensure that you are using the function in the correct context. Review the documentation for the function to confirm its intended use.
  Verify Configuration: Check the configuration settings related to the external module you are trying to use. Make sure that all necessary settings are correctly configured.
  Install/Activate External Module: If the required external module is not installed or activated, you may need to install or activate it in your SAP system.
  Review Authorizations: Ensure that the user has the necessary authorizations to access and use the external module. You may need to consult with your SAP security team to verify and adjust authorizations as needed.
  Consult Documentation: Refer to the official SAP documentation or help resources for the specific function you are trying to use. This can provide insights into any prerequisites or specific configurations required.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to the error message SC003. SAP Notes often provide solutions or workarounds for specific error messages.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered the same issue and what solutions they have found.
  SAP Support: If the issue persists and you cannot find a resolution, consider reaching out to SAP Support for assistance.
  
  By following these steps, you should be able to identify the cause of the SC003 error and implement a solution to resolve it.