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

I4638 - Overview

• 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

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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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