Brlcad/error message

Causes
A command has been entered that requires an open /database/, but no /database/ has been opened.

Resolutions
Use the /opendb/ command to create or open a database.

Causes

 * You have entered a command that refers to a non existent foobar.s object.

Resolutions

 * Use the ls command to determine which objects are in the database
 * Create the missing object and try the command again.

Causes

 * A previous error occured whilst attempting to reference or manipulate the foobar.c object. (This is a secondary error.)

Resolutions

 * Resolving the previously occuring error should prevent this error message from occuring.

Causes
This error occurs when an attempt is made to run the who command with an argument that is not understood.

Resolutions
Rerun the who command with one of the following valid arguments:


 * real
 * phony
 * both

Causes

 * A previous error occured whilst attempting to reference or manipulate the foobar.s object. (This is a secondary error.)

Resolutions

 * Resolving the previously occuring error should prevent this error message from occuring.

== Error: invalid command name "foobar"

Causes

 * The command you have entered is not valid, or not available from within mged.

Note that the following commands are not valid within mged:


 * /fbclear/

Causes
This error occurs if an attempt is made to open an interactive shell from within /mged/, but /mged/ is not in classic mode and does not have an associated /tty/.

Resolution
Restart /mged/ in classic mode (using a -c switch), before attempting to start an interactive shell.