Exporting 3D model as *.dxf file from SketchUp Pro causing immediate crash

Maybe I’m missing a step somewhere, but I’m trying to export my SketchUp Pro file as a .dxf file (with model open:FileExport3Dmodel–format *.dxf) and SketchUp crashes just after I press Export. Same thing happens if I try to export is as *.dwg file. I would post the crash report (because someone other than me might understand it), but it is too long.