How To Fix C$703 - Unable to read interface of function &

SAP Error Message - Details

• Message type: E = Error

• Message class: C$ -

• Message number: 703

• Message text: Unable to read interface of 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.

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 C$703 - Unable to read interface of function & ?

  The SAP error message C$703 "Unable to read interface of function &" typically indicates that there is an issue with the function module or method that the system is trying to access. This error can occur for several reasons, and here are some common causes, potential solutions, and related information:
  Causes:
  
  Function Module Not Found: The function module specified in the error message 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.
  Inconsistent System State: The system may be in an inconsistent state due to incomplete updates or other issues.
  Syntax Errors: There may be syntax errors in the function module or its interface that prevent it from being read correctly.
  
  Solutions:
  
  Check Function Module Existence: Verify that the function module exists in the system by using transaction code SE37 (Function Builder) or SE80 (Object Navigator).
  Check Authorizations: Ensure that the user has the necessary authorizations to execute the function module. You can check this using transaction SU53 after the error occurs.
  Transport Logs: If the function module was recently transported, check the transport logs for any errors or issues that may have occurred during the transport.
  Recompile the Function Module: If the function module exists but is not functioning correctly, try recompiling it. You can do this by opening the function module in SE37 and saving it without making any changes.
  Check for Syntax Errors: Review the code of the function module for any syntax errors or issues that may prevent it from being read correctly.
  System Consistency Check: Perform a system consistency check to identify any inconsistencies that may be causing the issue. This can be done using transaction SE11 (Data Dictionary) or SE14 (Database Utility).
  
  Related Information:
  
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error message. You can search for the error message or related keywords.
  Debugging: If you have access to debugging tools, you can set breakpoints in the code to identify where the error occurs.
  SAP Community: Consider reaching out to the SAP Community forums for additional insights or similar experiences from other users.
  
  If the issue persists after trying the above solutions, it may be necessary to involve your SAP Basis team or SAP support for further investigation.