Analysis run not completing - help?

Can anyone help point me in the right direction after getting this message?

         Stress error estimates are not available
         because all external element edges lie
         in regions that are constrained or where
         the stress is potentially singular.

         Resource Check                          (11:33:58)
            Elapsed Time     (sec):      43.80
            CPU Time         (sec):      47.46
            Memory Usage      (kb):    9282225
            Wrk Dir Dsk Usage (kb):     206868

** Warning: Local reaction data is currently unavailable if
            one or more constraints are specified in
            curvilinear or local Cartesian coordinates.