Descriptive Problem Summary:
Faulting application name: dreamdaemon.exe, version: 5.0.512.1465, time stamp: 0x5c9d1d3b
Faulting module name: byondcore.dll, version: 5.0.512.1465, time stamp: 0x5c9d1cba
Exception code: 0xc0000005
Fault offset: 0x000fe136
This happened shortly after world.reboot, during init, while it was calling Initialize() on every atom on the map.