How To Fix >3664 - Internal error when calling function module &

SAP Error Message - Details

• Message type: E = Error

• Message class: >3 - Lock management messages

• Message number: 664

• Message text: Internal error when calling 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.

Unfortunately, there isn't any extra information in this error notice.

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Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

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Smart SAP Assistant

• What is the cause and solution for SAP error message >3664 - Internal error when calling function module & ?

  The SAP error message 3664 ("Internal error when calling function module &") typically indicates that there is an issue with the function module being called in the SAP system. This error can arise from various underlying causes, and addressing it often requires a systematic approach to identify and resolve the issue.
  Possible Causes:
  
  Function Module Issues: The function module itself may have bugs or inconsistencies in its implementation.
  Data Issues: The data being passed to the function module may be invalid or not in the expected format.
  Authorization Problems: The user executing the function may not have the necessary authorizations to call the function module.
  System Configuration: There may be configuration issues in the SAP system that affect the execution of the function module.
  Transport Issues: If the function module was recently transported from another system, there may be inconsistencies or missing dependencies.
  
  Solutions:
  
  
  Check Function Module: 
  
  Use transaction SE37 to check the function module that is causing the error. Look for any known issues or notes related to it.
  Ensure that the function module is activated and does not have any syntax errors.
  
  
  
  Review Input Data: 
  
  Validate the data being passed to the function module. Ensure that all required parameters are provided and that they conform to the expected data types and formats.
  
  
  
  Authorization Check: 
  
  Verify that the user has the necessary authorizations to execute the function module. You can check this using transaction SU53 after the error occurs.
  
  
  
  Check SAP Notes: 
  
  Search for relevant SAP Notes in the SAP Support Portal. There may be specific notes addressing this error or providing patches.
  
  
  
  Debugging: 
  
  If you have access, you can debug the function module to identify where the error occurs. Use transaction SE80 or SE37 to set breakpoints and analyze the flow.
  
  
  
  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 detailed information about the error, including the function module name and any relevant logs.
  
  
  
  Related Information:
  
  Transaction Codes: 
  
  SE37: Function Module Maintenance
  SE80: Object Navigator
  SU53: Authorization Check
  SM21: System Log
  
  
  SAP Notes: Always check the SAP Support Portal for the latest notes related to your specific version of SAP and the function module in question.
  
  By following these steps, you should be able to diagnose and potentially resolve the error message 3664 in your SAP system.