are not correctly set to include the message file locations. Insufficient Permissions : The user running the application lacks read access to the files located in the $ORACLE_HOME/reports/mesg/ directory. Incomplete Configuration
Search your installation directory for rw.msb . It is usually located in: %ORACLE_HOME%\reports\mesg (Windows) $ORACLE_HOME/reports/mesg (Linux/Unix)
(on Windows) are corrupted or pointing to an old Oracle Home. Step 1: Verify Environment Variables