With the best will in the world I cannot know every error message in F1CC.
You could try setting all the pivots to 0,0,0 by using Edit->All Visible->Objects->Set Tags.
I need to see a model that is causing the problem, I've exported tracks and cars with success.
Hello, with new version of 3dsimED i always i have problem with obejcts after exporting to f1c from rFactor, AMS.
Always I got this error in game "searchgrid.c 321: Could not get extents of scene ... numInstances=1061"