Oracle : Ошибка ORA-40289

"duplicate attributes provided for data mining function"
*Cause: A duplicate, non-nested attribute was provided as input to
the data mining function. A duplicate attribute is one which
is present in the model signature, occurs more than once
in the USING clause after tablename expansion, and is not
a collection element in a nested table column.
*Action: Eliminate the duplicate attribute(s).

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