How to fix the Oracle error ORA-12616: TNS:no event signals?

In this post, you’ll learn more about the Oracle ErrorORA-12616: TNS:no event signals with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-12616: TNS:no event signals

Reason for the Error ORA-12616: TNS:no event signals

The operation failed because the type of data specified is unknown.

How to fix the Error ORA-12616: TNS:no event signals ?

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

Not normally visible to the user. For further details, turn on tracing and reexecute the operation. If error persists, contact Oracle Customer Support.