A fatal error has occurred.
If you suspect that AGACAD's software is causing Revit to crash, please forward us your Dock and Revit log files for investigation. Log files location based on the Revit version can be found here:
Dock: C:\Users\%username%\AppData\Roaming\TOOLS 4 BIM\*Revit version*\LogT4BDock.txt
Revit: C:\Users\%username%\AppData\Local\Autodesk\Revit\Autodesk Revit *Revit version*\Journal.xxxx.txt