ORA-30490: Ambiguous expression in GROUP BY ROLLUP or CUBE list
Cause: An expression in the GROUP BY ROLLUP or CUBE list matches an expression in the ordinary GROUP BY expression list
Action: Remove the expression from either ordinary GROUP BY expression list or ROLLUP or CUBE expression list
Cause: An expression in the GROUP BY ROLLUP or CUBE list matches an expression in the ordinary GROUP BY expression list
Action: Remove the expression from either ordinary GROUP BY expression list or ROLLUP or CUBE expression list
