Why do I get font errors with Mathematica?
If you get errors like "bad font path element" when starting Mathematica it might mean that your font path is missing an element. You can add the element yourself with the following command:
xset fp+ tcp/carvergrid.nersc.gov:7100
To see what your fontpath is use
See also Mathematica. Sometimes restarting xfs on the login nodes can help.