In this post, you’ll learn more about the Oracle ErrorNZE-28804: Data source cannot close. with the details on why you receive this error and the possible solution to fix it.
Oracle Error Description
NZE-28804: Data source cannot close.
Reason for the Error NZE-28804: Data source cannot close.
The data source, which could be either a file or a database), failed to close.
How to fix the Error NZE-28804: Data source cannot close. ?
You can fix this error in Oracle by following the below steps
Enable tracing to determine the exact cause of this error. Contact Oracle customer support if needed.