How To Fix K1008 - Internal error when calling up function module '&' (&, &)

SAP Error Message - Details

• Message type: E = Error

• Message class: K1 - Cost Object Controlling Interface

• Message number: 008

• Message text: Internal error when calling up function module '&' (&, &)

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 K1008 - Internal error when calling up function module '&' (&, &) ?

  The SAP error message K1008, which states "Internal error when calling up function module '&' (&, &)", typically indicates that there is an issue with a function module that is being called within the SAP system. This error can arise from various underlying causes, and resolving it may require a systematic approach. Here are some potential causes, solutions, and related information:
  Causes:
  
  Coding Errors: There may be a bug or error in the ABAP code that is calling the function module.
  Missing or Inactive Function Module: The function module being called may not exist, or it may be inactive.
  Authorization Issues: The user executing the function may not have the necessary authorizations to call the function module.
  Data Issues: Invalid or unexpected data being passed to the function module can lead to internal errors.
  System Configuration: Configuration issues in the SAP system or inconsistencies in the environment can also lead to this error.
  
  Solutions:
  
  
  Check the Function Module: 
  
  Use transaction SE37 to check if the function module exists and is active. If it is inactive, activate it.
  Review the function module for any known issues or bugs.
  
  
  
  Review ABAP Code: 
  
  If you have access to the code that is calling the function module, review it for any potential errors or incorrect parameters being passed.
  Use transaction SE80 or SE38 to analyze the code.
  
  
  
  Check Authorizations: 
  
  Ensure that the user has the necessary authorizations to execute the function module. You can check this using transaction SU53 or by consulting with your security team.
  
  
  
  Debugging: 
  
  If you have access to debugging tools, you can set breakpoints in the ABAP code to see where the error occurs and what data is being passed to the function module.
  
  
  
  SAP Notes: 
  
  Search the SAP Support Portal for any relevant SAP Notes that may address this specific error. There may be patches or updates available that resolve the issue.
  
  
  
  System Logs: 
  
  Check the system logs (transaction SM21) for any additional error messages or warnings that may provide more context about the issue.
  
  
  
  Contact SAP Support: 
  
  If the issue persists and you cannot find a resolution, consider reaching out to SAP Support for assistance. Provide them with the error message details and any relevant logs or information.
  
  
  
  Related Information:
  
  
  Transaction Codes: 
  
  SE37 (Function Module)
  SE80 (Object Navigator)
  SE38 (ABAP Editor)
  SU53 (Authorization Check)
  SM21 (System Log)
  
  
  
  SAP Notes: 
  
  Regularly check for updates or patches related to the specific function module or the error message in the SAP Support Portal.
  
  
  
  Documentation: 
  
  Review the documentation for the function module to understand its expected input and output parameters.
  
  
  
  By following these steps, you should be able to identify the cause of the K1008 error and implement a solution.