How To Fix UCT2012 - Single selection &1 cannot be used for the basic field

SAP Error Message - Details

• Message type: E = Error

• Message class: UCT2 - Messages for Hierarchy Selections

• Message number: 012

• Message text: Single selection &1 cannot be used for the basic field

What causes this issue?

The cross-characteristic selection applies to the basic field itself.
This is <ZH>not</> useful if the single selection is used for the basic
field.
This is useful only if the single selection is used for a referenced
field.

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?

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 UCT2012 - Single selection &1 cannot be used for the basic field ?

  The SAP error message UCT2012, which states "Single selection &1 cannot be used for the basic field," typically occurs in the context of using selection screens or when defining selection criteria in reports or transactions. This error indicates that a single selection option is being incorrectly applied to a field that does not support it.
  
  Cause:
  
  Field Type Mismatch: The field you are trying to apply a single selection to may not be compatible with that type of selection. For example, if the field is defined as a range or a multiple selection field, trying to use a single selection option will trigger this error.
  Incorrect Selection Screen Definition: The selection screen may have been defined incorrectly, where a field that should allow multiple values is set to allow only a single value.
  Data Element Restrictions: The data element associated with the field may have restrictions that prevent it from being used in a