How to fix the Oracle error ORA-24778: cannot open connections?

In this post, you’ll learn more about the Oracle ErrorORA-24778: cannot open connections with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-24778: cannot open connections

Reason for the Error ORA-24778: cannot open connections

The migratable transaction tried to access a remote database when the session itself had opened connections to remote database(s).

How to fix the Error ORA-24778: cannot open connections ?

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

Close the connection(s) in the session and then try to access the remote database from the migratable transaction. If the error still occurs, contact Oracle customer support.