Oracle Error Message
ORA-32486: unsupported operation in recursive branch of recursive WITH clause
Reason for the Error
The recursive component of the UNION ALL in a recursive WITH clause element used an operation that was currently not supported. The following should not be used in the recursive branch of the UNION ALL operation: GROUP BY, DISTINCT, MODEL, grouping sets, CONNECT BY, window functions, HAVING, aggregate functions.
Solution
Rewrite the query without the unsupported operation.