gaussian- linux error PGI: Undefined variable

Hello CCL members,
I am getting the error:  PGI: Undefined variable.  Does anyone know what that means?  I want to thank everyone for all there help on my installation problems.  Thanks again in advance and have a good day.
Donald J. Keidel
University of California, Riverside
Department of Biochemistry and Molecular Biology
Riverside, CA 92521
phone:  (909) 787-5493
fax:  (909) 787-4434
dkeidel397 { *at * }