How To Fix ED590 - Function '&' not found

SAP Error Message - Details

• Message type: E = Error

• Message class: ED - ABAP/4 Editor messages

• Message number: 590

• Message text: Function '&' not found

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message ED590 - Function '&' not found ?

  The SAP error message ED590, which states "Function '&' not found," typically occurs when the system is unable to locate a specific function module or method that is being called in the program. This can happen for several reasons, including:
  Causes:
  
  Missing Function Module: The function module may not exist in the system, possibly due to a transport issue or it not being created yet.
  Incorrect Function Name: There may be a typo or incorrect naming in the function call.
  Authorization Issues: The user may not have the necessary authorizations to access the function module.
  Namespace Issues: The function module might be in a different namespace that is not accessible from the current context.
  Transport Issues: If the function module was recently transported from another system, it may not have been activated or may not exist in the target system.
  
  Solutions:
  
  Check Function Module Existence: Use transaction SE37 (Function Builder) to check if the function module exists. If it does not, you may need to create it or transport it from another system.
  Verify Function Name: Double-check the spelling and case of the function name in the code where the error occurs.
  Check Authorizations: Ensure that the user has the necessary authorizations to execute the function module. You can check this in transaction SU53 after the error occurs.
  Namespace Verification: If the function module is in a different namespace, ensure that the calling program has access to it.
  Transport Activation: If the function module was recently transported, ensure that it has been activated in the target system. You can do this in transaction SE80 or SE37.
  Debugging: If the error persists, consider debugging the program to trace where the function call is made and gather more context about the error.
  
  Related Information:
  
  Transaction Codes:
  
  SE37: Function Builder
  SE80: Object Navigator
  SU53: Authorization Check
  
  
  SAP Notes: Check SAP Notes for any known issues related to the specific function module or error message.
  Documentation: Review the documentation for the function module to understand its parameters and expected behavior.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with your SAP Basis or development team for further investigation.