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Alteryx Designer Knowledge Base

Definitive answers from Designer experts.

Error: At least one Unique Field must be selected


Environment Details

  • Alteryx Designer
    • All versions
  • Impacted Tools
    • Tile
    • Unique


The Unique tool has not been configured (first image). In the case of the Tile tool, when using the Tile Method “Unique Value,” no unique columns have been selected (second image).


Select a column or columns from which to identify the unique values.