The first place to look is to make sure the PATH in webwork/scripts/makePDF
and in gif2eps
PATH=$PATH:/usr/bin (or whatever)
is correct (although I can't imagine what may have changed on your system
--- maybe someone upgraded your system over the summer). This has to
contain the path to the various graphics routines. Usually this is
/usr/bin and/or /usr/local/bin
Can your view prob 6 in typeset mode?
I can not imagine what would effect this in setting up a course (assuming
you are able to view all problems in set 0 one at a time). Sometimes some
of the settings in webworkCourse.ph (e.g. $courseTempURL) are wrong, but
this should effect all output (html, pdf, etc).
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