oerr ora 2097
02097, 00000, "parameter cannot be modified because specified value is invalid"
// *Cause: Though the initialization parameter is modifiable, the modified
// value is not acceptable to the parameter.
// *Action: Check the DBA guide for range of acceptable values for this
// parameter.

00439, 00000, "feature not enabled: %s"
// *Cause: The specified feature is not enabled.
// *Action: Do not attempt to use this feature.
"Message 2097 not found"
Alert log cannot fetch the message associated with these error numbers

About the error :
Check your init ora parameter for resource_plan. Something amiss with it