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

SAP Error Message - Details

• 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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Smart SAP Assistant

• What is the cause and solution for SAP error message IDCN_MESS001 - Selection field '&1' can be selected only once ?

  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 field multiple times, remove the duplicates. For example, if you have two entries for a customer number, keep only one.
  
  
  Check for Variants: If you are using a variant for the selection screen, check the variant settings to ensure that the field is not included multiple times.
  
  
  Consult Documentation: If you are unsure about the selection fields and their usage, refer to the documentation or help text associated with the report or transaction you are using.
  
  
  Contact Support: If you believe that the error is occurring incorrectly (for example, if you are not selecting the field multiple times), consider reaching out to your SAP support team for further assistance.
  
  
  Related Information:
  
  Transaction Codes: This error can occur in various transaction codes that involve selection screens, such as reports or data extraction tools.
  SAP Notes: Check SAP Notes for any known issues or updates related to the specific transaction or report you are using.
  User Training: Ensure that users are trained on how to properly use selection screens to avoid common errors like this one.
  
  By following these steps, you should be able to resolve the error and proceed with your data selection in SAP.