How To Fix SV660 - Function module name & invalid

SAP Error Message - Details

• Message type: E = Error

• Message class: SV - View Maintenance: Customize Messages

• Message number: 660

• Message text: Function module name & invalid

What causes this issue?

The function module &V1& either contains an invalid special character
or does not comply with the naming conventions.

System Response

The generation was cancelled.

How to fix this error?

Check the table/view name or the
function group name.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message SV660 - Function module name & invalid ?

  The SAP error message SV660, which states "Function module name & invalid," typically indicates that the function module you are trying to call does not exist or is not accessible in the current context. This can happen for several reasons:
  Causes:
  
  Typographical Error: The function module name may have been misspelled or incorrectly referenced in the code.
  Non-existent Function Module: The function module may not exist in the system, either because it has not been created or has been deleted.
  Authorization Issues: The user executing the function may not have the necessary authorizations to access the function module.
  Transport Issues: If the function module was recently transported from another system, it may not have been properly imported or activated.
  Namespace Issues: If the function module is in a specific namespace, it may not be accessible due to naming conventions or restrictions.
  
  Solutions:
  
  Check the Function Module Name: Verify that the function module name is spelled correctly in your code. You can do this by navigating to the function module in transaction SE37 or SE80.
  Check Existence: Use transaction SE37 to check if the function module exists in the system. If it does not, you may need to create it or transport it from another system.
  Authorization Check: Ensure that the user has the necessary authorizations to execute the function module. You can check this in transaction SU53 after the error occurs.
  Transport Validation: If the function module was recently transported, check the transport logs to ensure it was imported successfully and is active.
  Namespace Considerations: If the function module is in a specific namespace, ensure that your code is correctly referencing it, and that you have the necessary permissions to access it.
  
  Related Information:
  
  Transaction Codes:
  
  SE37: Function Module Maintenance
  SE80: Object Navigator
  SU53: Authorization Check
  
  
  Debugging: If you are still unable to resolve the issue, consider using the debugger to trace the execution and see where the error occurs.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with your SAP Basis or development team for further assistance.