Oracle Solution for Error ora-06268

ORA-06268: NETNTT: cannot read /etc/oratab

What triggered the Error:

The NTT two-task driver could not read configuration information from /etc/oratab.

What should we do to fix it:

Make sure /etc/oratab exists and is readable. This error may occur if the file is incorrectly formatted. It also may occur if the driver has run out of memory.