How to fix the Oracle error ORA-30341: dropped level has references?

In this post, you’ll learn more about the Oracle ErrorORA-30341: dropped level has references with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-30341: dropped level has references

Reason for the Error ORA-30341: dropped level has references

An attempt was made to drop a level using the default or RESTRICT option in a dimension while references to that level remain in the dimension. References can occur in hierarchies and attributes within the dimension.

How to fix the Error ORA-30341: dropped level has references ?

You can fix this error in Oracle by following the below steps

First remove any referenes to the level prior to dropping it, or specify the CASCADE option with the DROP LEVEL clause.