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

5C128 - Overview

• 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.

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 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