In this post, you’ll learn more about the Oracle ErrorORA-24379: invalid user callback type with the details on why you receive this error and the possible solution to fix it.
Oracle Error Description
ORA-24379: invalid user callback type
Reason for the Error ORA-24379: invalid user callback type
An invalid type of user callback was specified.
How to fix the Error ORA-24379: invalid user callback type ?
You can fix this error in Oracle by following the below steps
Specify a valid user callback type.