How To Fix I4638 - Execute update function module &1 in dialog mode

SAP Error Message - Details

• Message type: E = Error

• Message class: I4 - WCM: Work Clearance Management

• Message number: 638

• Message text: Execute update function module &1 in dialog mode

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message I4638 - Execute update function module &1 in dialog mode ?

  The SAP error message I4638, which states "Execute update function module &1 in dialog mode," typically occurs when there is an issue with the execution of an update function module in a dialog session. This error can arise due to various reasons, including configuration issues, system performance problems, or issues with the specific function module being called.
  Causes:
  
  Function Module Configuration: The update function module may not be properly configured or may not be designed to run in dialog mode.
  System Performance: If the system is under heavy load, it may not be able to process the update request in the expected manner.
  Transaction Management: There may be issues with transaction management, such as locks or deadlocks that prevent the function module from executing correctly.
  Authorization Issues: The user executing the function may not have the necessary authorizations to run the update function module.
  Code Issues: There may be bugs or issues in the ABAP code of the function module itself.
  
  Solutions:
  
  Check Function Module Configuration: Ensure that the function module is correctly configured to be executed in the appropriate mode. Review the function module's attributes and settings.
  System Performance Monitoring: Monitor system performance and check for any bottlenecks. You can use transaction codes like ST03N (Workload Analysis) or ST22 (Dump Analysis) to identify performance issues.
  Transaction Management: Investigate any locks or deadlocks that may be occurring. You can use transaction SM12 to check for locks and SM21 for system logs.
  Authorization Check: Verify that the user has the necessary authorizations to execute the function module. You can use transaction SU53 to analyze authorization issues.
  Debugging: If you have access to the ABAP code, consider debugging the function module to identify any potential issues in the code.
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error message or provide patches or updates.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE37 (Function Module), SE80 (Object Navigator), and ST22 (Dump Analysis) for troubleshooting.
  SAP Community: Engage with the SAP Community forums for insights and solutions from other users who may have encountered similar issues.
  SAP Documentation: Review SAP documentation for best practices on managing update function modules and handling errors.
  
  If the issue persists after trying the above solutions, it may be necessary to involve your SAP Basis team or SAP support for further investigation.