Oracle® Database 11g / 12c / 18c error codes ORA-54033: column to be modified is used in a virtual column expression

ORA-54033: column to be modified is used in a virtual column expression

Oracle Error Code: ORA-54033

Cause: Attempted to modify the data type of a column that was used in a virtual column expression.

Action: Drop the virtual column first or change the virtual column expression to eliminate dependency on the column to be modified.