How To Fix C$702 - Unable to read interface of reference function &

SAP Error Message - Details

• Message type: E = Error

• Message class: C$ -

• Message number: 702

• Message text: Unable to read interface of reference function &

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message C$702 - Unable to read interface of reference function & ?

  The SAP error message C$702 "Unable to read interface of reference function &" typically indicates that there is an issue with accessing the interface of a reference function module in the SAP system. This can occur for several reasons, including:
  Causes:
  
  Missing Function Module: The referenced function module may not exist in the system or may have been deleted.
  Authorization Issues: The user may not have the necessary authorizations to access the function module.
  Transport Issues: If the function module was recently transported from another system, there may have been issues during the transport process.
  Naming Conflicts: There may be naming conflicts or inconsistencies in the function module or its interface.
  System Configuration: There may be configuration issues in the SAP system that prevent the function module from being accessed.
  
  Solutions:
  
  Check Existence: Verify that the function module exists in the system. You can do this by using transaction code SE37 (Function Builder) and searching for the function module.
  Check Authorizations: Ensure that the user has the necessary authorizations to access the function module. This can be checked using transaction code SU53 or by consulting with your security team.
  Transport Logs: If the function module was recently transported, check the transport logs for any errors or warnings that may indicate issues during the transport process.
  Recreate Function Module: If the function module is missing or corrupted, you may need to recreate it or restore it from a backup.
  Check Naming and Interface: Ensure that there are no naming conflicts and that the interface of the function module is correctly defined.
  System Check: If the issue persists, consider checking the system configuration or consulting with your SAP Basis team for further investigation.
  
  Related Information:
  
  Transaction Codes: SE37 (Function Builder), SE80 (Object Navigator), SU53 (Authorization Check), ST22 (Dump Analysis).
  SAP Notes: Check SAP Notes for any known issues related to this error message. You can search for relevant notes in the SAP Support Portal.
  Documentation: Review the documentation for the specific function module to understand its dependencies and requirements.
  
  If the problem continues after trying the above solutions, it may be beneficial to engage with SAP support or your internal SAP team for further assistance.