How to fix the Oracle error NNL-00022: error changing trace level from string to string, level change ignored?

In this post, you’ll learn more about the Oracle ErrorNNL-00022: error changing trace level from string to string, level change ignored with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

NNL-00022: error changing trace level from string to string, level change ignored

Reason for the Error NNL-00022: error changing trace level from string to string, level change ignored

Cause: The user attempted to change the control program’s local trace level, and the program encountered an error while changing the level. Usually the problem is that tracing was enabled for the first time (by changing the trace level from OFF to something else) and the trace file is not writeable by the control program.

How to fix the Error NNL-00022: error changing trace level from string to string, level change ignored ?

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

Action: Check to see that the trace file is writeable. Your documentation will tell you the name of the trace file.