How To Fix UCT2010 - Single selection refers to an invalid field name: <&1>

SAP Error Message - Details

• Message type: E = Error

• Message class: UCT2 - Messages for Hierarchy Selections

• Message number: 010

• Message text: Single selection refers to an invalid field name: <&1>

What causes this issue?

The field name for the single selection does not exist in the field
catalog. The characteristic may have been removed from the data basis
without the single selection having been adjusted afterwards.
If the field name exists, it might be a referenced field. However,
single selections can be created for basic fields only, and not for
fields that reference other fields.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Add the characteristic to the data basis again. Then you will be able to
delete the single selection.
If the name of the characteristic is empty (that is, if it contains a
null string ""), then a program error has occurred.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message UCT2010 - Single selection refers to an invalid field name: <&1> ?

  The SAP error message UCT2010, which states "Single selection refers to an invalid field name: <&1>", typically occurs when a user attempts to use a field in a selection screen that is not recognized by the system. This can happen for several reasons, including:
  Causes:
  
  Typographical Error: The field name specified in the selection criteria may have been misspelled or incorrectly formatted.
  Field Not Available: The field may not exist in the database table or structure being queried. This can happen if the field was removed or renamed in a recent update or if the user is working with an outdated version of the data model.
  Authorization Issues: The user may not have the necessary authorizations to access the field, leading to it being considered "invalid."
  Incorrect Program Logic: If the program or report has been customized, there may be logic errors that lead to the selection screen referencing a non-existent field.
  
  Solutions:
  
  Check Field Name: Verify the field name for any typographical errors. Ensure that it matches the exact name as defined in the database table or structure.
  Field Existence: Use transaction codes like SE11 (Data Dictionary) to check if the field exists in the relevant table or structure. If it does not exist, you may need to adjust your selection criteria.
  Update Program/Report: If the program has been customized, review the code to ensure that it correctly references existing fields. You may need to update the program to align with the current data model.
  Authorization Check: Ensure that the user has the necessary authorizations to access the field. This can be checked with the help of your SAP security team.
  Consult Documentation: If the field is part of a standard SAP report or transaction, consult the relevant SAP documentation or notes for any changes or updates that may have affected the field.
  
  Related Information:
  
  Transaction Codes: SE11 (Data Dictionary), SE80 (Object Navigator), SE38 (ABAP Editor) can be useful for checking field definitions and program logic.
  SAP Notes: Search for relevant SAP Notes that may address known issues related to the error message UCT2010.
  Debugging: If you have access, you can debug the program to see where the error is being triggered and gather more context about the invalid field reference.
  
  If the issue persists after checking these aspects, it may be beneficial to reach out to your SAP support team or consult with an SAP expert for further assistance.