Inroads triangulation error far from model

Has anyone ever received a triangulation error with point coordinates that are far beyond the model limits?  In my case the point where Inroads identifies untriangulatable data is 1200 feet away from my model. 

I thought it might be an incompatibility thing because I'm running XM on Win7x64 but I tried with V8iSS2 and on an XP machine with XM and got the same results.  I've tried using a new dgn file and tried creating a new .ird file and copying the corridors over. 

-Tim