I have been working on Interior elevations in a team work project. I saved my file to a draft and have been able to send and receive with no problems. But for some reason now, I can not send and receive. Archicad crashes towards the end of the send and recieve process. I am working in Mac OS X with a dual 1 GHZ power PC G4 processor and 1 GB of SDRam. I am using Archicad 11 1040 USA Full.