In this post, you’ll learn more about the Oracle ErrorORA-24173: nested query not supported for rule condition with the details on why you receive this error and the possible solution to fix it.
Oracle Error Description
ORA-24173: nested query not supported for rule condition
Reason for the Error ORA-24173: nested query not supported for rule condition
user specified nested query in rule condition.
How to fix the Error ORA-24173: nested query not supported for rule condition ?
You can fix this error in Oracle by following the below steps
do not use nested query in rule condition.