How To Fix TW340 - Unknown function "&", correction required

SAP Error Message - Details

• Message type: E = Error

• Message class: TW - R3trans - Messages

• Message number: 340

• Message text: Unknown function "&", correction required

What causes this issue?

A function unknown to the system was specified in the transport
request.

System Response

R3trans ignores the selection.

How to fix this error?

Check the function and enter the correct one.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message TW340 - Unknown function "&", correction required ?

  The SAP error message TW340, which states "Unknown function '&', correction required," typically occurs when there is an issue with a function module or a function call in an ABAP program. This error indicates that the system is unable to recognize the function specified, which can be due to various reasons.
  Causes:
  
  Typographical Error: The function name may have been misspelled or incorrectly referenced in the code.
  Function Module Not Defined: The function module may not exist in the system, possibly due to it being deleted or not transported correctly.
  Authorization Issues: The user may not have the necessary authorizations to access the function module.
  Namespace Issues: The function might be in a different namespace that is not accessible in the current context.
  Transport Issues: If the function module was recently transported from another system, it may not have been activated or may have transport errors.
  
  Solutions:
  
  Check Spelling: Verify that the function name is spelled correctly in the code.
  Function Module Existence: Use transaction SE37 (Function Builder) 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 using transaction SU53 after the error occurs.
  Namespace Verification: If the function is in a different namespace, ensure that the correct namespace is being used in the code.
  Transport Check: If the function module was recently transported, check the transport logs for any errors and ensure that the function module is activated.
  Debugging: If the error occurs during runtime, consider using the debugger to trace the execution and identify where the function call is failing.
  
  Related Information:
  
  Transaction Codes:
  
  SE37: Function Builder to check and create function modules.
  SE80: Object Navigator to explore various objects including function modules.
  SU53: Authorization check to see if there are any authorization issues.
  
  
  Documentation: Review SAP documentation or notes related to the specific function module for any known issues or updates.
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  
  If the problem persists after trying the above solutions, consider reaching out to your SAP Basis or development team for further assistance.