NZE-28788: user provided invalid information, or an unknown error
What triggered the Error:
User may have responded to a prompt with unexpected input, or an unknown error occurred.What should we do to fix it:
Re-enter the correct input, or enable Oracle Net tracing to check the trace file for errors.
If this was not sufficient go over to:
Oracle Official Support Knowledge Center
Or maybe those geeks at: StackOverflow Board
Or maybe those geeks at: StackOverflow Board