CAT-01211
The log level {0} is not valid.
Cause
An error was encountered during trace logging because the environment variable QOS_TRACE_LEVEL was not set to a valid log level.
Action
Specify a valid log level in the QOS_TRACE_LEVEL environment variable. The valid values are OFF, SEVERE, WARNING, INFO, CONFIG, FINE, FINER, FINEST, and ALL. If the problem persists, contact Oracle Support Services.