How To Fix SDME_MDB321 - Field &1-&2 is already in the screen

SDME_MDB321 - Overview

• Message type: E = Error

• Message class: SDME_MDB - DME: Maintenance Dialog Builder

• Message number: 321

• Message text: Field &1-&2 is already in the screen

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 SDME_MDB321 - Field &1-&2 is already in the screen ?

  The SAP error message SDME_MDB321 with the description "Field &1-&2 is already in the screen" typically occurs in the context of SAP's Sales and Distribution (SD) module, particularly when dealing with screen fields in a transaction. This error indicates that there is an attempt to display or manipulate a field that is already present on the screen, which can lead to conflicts or redundancy.
  
  Cause:
  
  Duplicate Field Assignment: The error often arises when a field is being assigned or displayed multiple times in the same screen context, which can happen due to customizations or modifications in the screen layout.
  Screen 
  Configuration Issues: If there are issues in the screen configuration or if the screen is being called multiple times without proper handling, this error can occur.
  Program Logic Errors: There may be logic in the ABAP code that attempts to process the same field more than once, leading to this conflict.
  
  
  Solution:
  
  Check Screen Configuration: Review