How To Fix ISLM_API339 - Table function name &1 is invalid

SAP Error Message - Details

• Message type: E = Error

• Message class: ISLM_API - API Messages

• Message number: 339

• Message text: Table function name &1 is invalid

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 ISLM_API339 - Table function name &1 is invalid ?

  The SAP error message ISLM_API339, which states "Table function name &1 is invalid," typically occurs when there is an issue with the table function being called in the context of the SAP system. This error can arise due to various reasons, including:
  Causes:
  
  Invalid Function Name: The function name specified in the API call does not exist or is misspelled.
  Authorization Issues: The user may not have the necessary authorizations to access the specified table function.
  Function Not Active: The table function may not be active or properly defined in the system.
  Namespace Issues: The function might be in a different namespace that is not accessible or recognized in the current context.
  Transport Issues: If the function was recently transported from another system, it may not have been properly activated or may have dependencies that are not met.
  
  Solutions:
  
  Check Function Name: Verify that the table function name is correct and exists in the system. You can do this by checking the relevant ABAP function module or table function in the SAP GUI.
  Authorization Check: Ensure that the user executing the function has the necessary authorizations. You can check this in transaction SU53 or by consulting with your security team.
  Activate Function: If the function is not active, you may need to activate it. This can be done in the ABAP Workbench (SE80) or by using transaction SE37 for function modules.
  Namespace Verification: Ensure that the function is in the correct namespace and that your current context allows access to it.
  Transport Validation: If the function was recently transported, check the transport logs for any errors and ensure that all dependencies are met. You may need to re-transport or activate the function.
  Debugging: If the issue persists, consider debugging the code that calls the function to see if there are any logical errors or incorrect parameters being passed.
  
  Related Information:
  
  Transaction Codes: Use SE37 (Function Module) or SE80 (Object Navigator) to check the function module details.
  Authorization Objects: Check relevant authorization objects that might restrict access to the function.
  SAP Notes: Search for SAP Notes related to ISLM_API339 for any known issues or patches that might address the problem.
  Documentation: Review the SAP documentation for the specific module or function you are working with to ensure you are using it correctly.
  
  If the problem continues after trying these solutions, it may be beneficial to consult with your SAP Basis or development team for further investigation.