How To Fix IDCN_MESS001 - Selection field '&1' can be selected only once

IDCN_MESS001 - Overview

• Message type: E = Error

• Message class: IDCN_MESS -

• Message number: 001

• Message text: Selection field '&1' can be selected only once

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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IDCN_MESS001 - Details

• The SAP error message IDCN_MESS001, which states "Selection field '&1' can be selected only once," typically occurs when a user attempts to select a particular field or parameter more than once in a selection screen or report. This is a common validation rule in SAP to ensure that the data selection is clear and unambiguous.
  
  Cause:
  The error is triggered when:
  
  A selection field (e.g., a parameter for filtering data) is included multiple times in the selection criteria.
  The system is designed to allow only a single instance of that selection field to avoid confusion in data retrieval.
  
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Review Selection Criteria: Go back to the selection screen where you encountered the error and check the fields you have selected. Ensure that the field mentioned in the error message (represented by '&1') is only selected once.
  
  
  Remove Duplicate Selections: If you find that you have selected the same