Send back from Cinema 4D to Archicad crashes Archicad

[nusha]

Hi, everybody!
I'm having a problem with sending models back from C4D to Archicad. I have "Save polygons to Melange" checked, units are both inches.
After I send back, Archicad opens, asks me to name my new object in the imbedded library and then freezes. I remember having this problem before and remember solving it but I can't remember what it was that helped me... I'll write it down this time I promise!