Follow the instructions here first:
http://boards.cityofheroes.com/showthread.php?t=199092
If they don't work, open Console (Applications > Utilities > Console) and paste the last few lines from around the time of the crash.
Manga @ Triumph
"Meanwhile In The Halls Of Titan"...Titan Network Working To Save City Of Heroes
Save Paragon City! Efforts Coordination
Just recently after everything has been running AWESOME this happens the game crash's and this is what i get plz tell me how to fix this problem if you can please.
Assertion failed
Program: C:\coh\CityOfHeroes.exe
Version: 1600.20091102.4T
SVN Revision: 55479
Time: Sun Nov 22 12:13:26 AM
Process ID: 9
File: .\entity\entrecv.c
Line: 3166
Expression: 0
Error Message: Entity received and no sequencer created for it!
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3 swDumpStackToBuffer (1bdd4d8,2800,0,411440)
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23 0x97D71FE1 (71033e00,6d07,7008f2e0,1bf3000)
24 0x97D71E66 (0,0,0,0)
Map: maps/Missions/Outdoor_Missions/Outdoor_Industrial/Outdoor_Industrial_01/Outdoor_Industrial_01a.txt
Server IP: 216.107.249.198:24347
Client IP: 192.168.1.130
Extra Info:
CPU: 2800 Mhz / Memory: 2047 MBs / Video Card: TransGaming Display Device / Video Driver DLL: Unknown / Driver Version: 0.0.0.0 / Available Memory: 2047 MBs / OS Version: 5.1.2600 / Video Memory: Unknown
Render settings: VBOS 1
Render path: ARBVP ARBFP
Render features: WATER* MULTITEX* MULTITEX_DUAL* HQBUMP* M