Exporting DWG with filled region causing crash

[Anonymous]

I have a site plan (shaded view) with a large filled region (solid fill). and if i try PDF using vector, or export a CAD file with this filled region on, it crashed revit with no error message, or simply exports a blank PDF/DWG.

The Export works fine when the Filled region is turned off. or the PDF is set to Raster print

[Anonymous]

I would purge the Autocad model and get rid of the filled region in Autocad ( if not required) Alternatively convert Autocad line to Revit lines..... let me know if that worked