ID:1730255
 
Resolved
Deleting a mob, obj, or area that had recently been used with animate() could cause a crash.
BYOND Version:507
Operating System:windows server 2012
Web Browser:Firefox 31.0
Applies to:Dream Daemon
Status: Resolved (507.1269)

This issue has been resolved.
Unknown what causes it, heres some event viewer info

Faulting application name: dreamdaemon.exe, version: 5.0.507.1260, time stamp: 0x5425ea8c
Faulting module name: byondcore.dll, version: 5.0.507.1260, time stamp: 0x5425e9d5
Exception code: 0xc0000005
Fault offset: 0x00146b50
Faulting process id: 0x1440
Faulting application start time: 0x01d00b811a676ed8
Faulting application path: C:\program files (x86)\byond\bin\dreamdaemon.exe
Faulting module path: C:\program files (x86)\byond\bin\byondcore.dll
Report Id: ac627655-784e-11e4-93fa-001e8cf19ccb
Faulting package full name:
Faulting package-relative application ID:


updated to newer version.

Faulting application name: dreamdaemon.exe, version: 5.0.507.1268, time stamp: 0x5425ea8c
Faulting module name: byondcore.dll, version: 5.0.507.1268, time stamp: 0x5425e9d5
Exception code: 0xc0000005
Fault offset: 0x00146b50
Faulting process id: 0xaa0
Faulting application start time: 0x01d00c62a712a953
Faulting application path: C:\program files (x86)\byond\bin\dreamdaemon.exe
Faulting module path: C:\program files (x86)\byond\bin\byondcore.dll
Report Id: 38c9e108-7859-11e4-93fa-001e8cf19ccb
Faulting package full name:
Faulting package-relative application ID:
Different kind of report popped up in event viewer this time

Fault bucket 73694851585, type 1
Event Name: APPCRASH
Response: Not available
Cab Id: 0

Problem signature:
P1: dreamdaemon.exe
P2: 5.0.507.1268
P3: 5425ea8c
P4: byondcore.dll
P5: 5.0.507.1268
P6: 5425e9d5
P7: c0000005
P8: 00146b50
P9:
P10:
Lummox JR resolved issue with message:
Deleting a mob, obj, or area that had recently been used with animate() could cause a crash.