[Yandex DataLens] Unknown dimension for window
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Updated at December 1, 2025
ERR.DS_API.FORMULA.UNKNOWN_WINDOW_DIMENSION
This error occurs when a dimension not involved in the chart building (i.e., it cannot be found in any of its sections) is used in the window function with the AMONG grouping.
To fix the error, drag the indicated dimension into one of the chart sections or use a different dimension.