How To Fix 5C128 - Only D, R, or U permissible as update mode

SAP Error Message - Details

• Message type: E = Error

• Message class: 5C - HR: Messages for Switzerland

• Message number: 128

• Message text: Only D, R, or U permissible as update 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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message 5C128 - Only D, R, or U permissible as update mode ?

  The SAP error message 5C128 ("Only D, R, or U permissible as update mode") typically occurs when there is an issue with the update mode specified in a transaction or program. This error indicates that the system expects the update mode to be one of the following:
  
  D: Direct update
  R: Remote update
  U: Update (asynchronous)
  
  Cause:
  The error is usually caused by one of the following reasons:
  
  Incorrect Update Mode: The update mode specified in the program or transaction is not one of the allowed values (D, R, U).
  Configuration Issues: There may be a configuration issue in the system that is causing the update mode to be set incorrectly.
  Custom Code: If there is custom ABAP code involved, it may be incorrectly specifying the update mode.
  
  Solution:
  To resolve the error, you can take the following steps:
  
  
  Check the Update Mode: Review the code or transaction where the error occurs and ensure that the update mode is set to one of the permissible values (D, R, U).
  
  
  Debugging: If you have access to the ABAP code, you can use the debugger to trace where the update mode is being set and verify its value.
  
  
  Review Custom Code: If the error is occurring in a custom program, check the logic that sets the update mode. Ensure that it is not being set to an invalid value.
  
  
  Consult Documentation: If you are unsure about the correct usage of update modes, refer to SAP documentation or help resources for guidance on how to properly implement updates.
  
  
  System Configuration: If the issue persists, check the system configuration settings related to updates. You may need to consult with your SAP Basis team or system administrator.
  
  
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide additional context.
  
  
  Related Information:
  
  Transaction Codes: If you are using specific transaction codes that involve updates, ensure that they are being used correctly.
  SAP Community: You can also check the SAP Community forums for discussions related to this error, as other users may have encountered and resolved similar issues.
  ABAP Documentation: Familiarize yourself with the ABAP documentation regarding update modes and their proper usage.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.