BZII QF2 Mission 7 Error

---- Battlezone II Log File ----
//=====================================================
App version: bzone 1.3.6.4z19 Public Beta Jan 29 2014 21:37:38
Windows version: Windows Version: 6.1.7601 'Service Pack 1' PlatformID=2

Last few battlezone.log lines (may or may not be relevant):
DIAG|         ParameterDB:214  |14:38:19|34515  | 1 : q2noeffect4.odf
DIAG|         ParameterDB:214  |14:38:19|34515  | 2 : wwatckball.odf
DIAG|         ParameterDB:214  |14:38:19|34515  | 3 : gwwatckball.odf
DIAG|         ParameterDB:214  |14:38:19|34516  | 4 : apwwatckball.odf
WARN|         ParameterDB:1701 |14:38:19|34516  |WARNING: ODF wwatckball.odf, [GameObjectClass]::damageEffect4 tries to point to EffectClass q2noeffect4, but couldn't find it. Might want to check ODFs
DIAG|            meshread:2188 |14:38:19|34569  |Missing binary mesh wbstowFLD.xsi, use XSI
DIAG|            meshread:2199 |14:38:19|34569  |Building wbstowFLD .msh
DIAG|            meshread:2205 |14:38:19|34569  |Missing file wbstowFLD.msh (Ignore if creating assets, but end users should NOT see this)
(done)

Exception code: C0000005 (ACCESS VIOLATION) WRITING to 00000000h
Message :  Exception
Error occurred at 3/25/2014 14:38:24.
C:\Users\Mac\Documents\BZII\Battlezone II 1.3PB6\bzone.exe, run by Mac.
C:\Users\Mac\Documents\BZII\Battlezone II 1.3PB6\bzone.exe, run by Mac.
CPU: 8 processor(s), Intel(R) Core(TM) i7-3740QM CPU @ 2.70GHz
     Intel64 Family 6 Model 58 Stepping 9
Process Memory :    553 MB free out of   2048 MB total
Physical memory:  11141 MB free out of  16267 MB total
Page(swap) file:  26874 MB free out of  32531 MB total
This exe is using 1041 MB (294 MB dlmalloc), peak use 1120 MB

Fault address:  0107B00F 01:0023A00F C:\Users\Mac\Documents\BZII\Battlezone II 1.3PB6\bzone.exe

Registers:
EAX:00000000
EBX:00000000
ECX:0256CC38
EDX:0256CC3C
ESI:41648518
EDI:4211FE58
CS:EIP:0023:0107B00F
SS:ESP:002B:005CE20C  EBP:7339BDB0
DS:002B  ES:002B  FS:0053  GS:002B
Flags:00010202

Call stack:
Address  Offset1  Offset2  Module              SourceFile
0107B00F +0023B00F 0000000F bzone            (bzone): : BZ2MemMalloc

00F519C2 +001119C2 000004A3 bzone            (bzone): : EntityClass::Find

00F519E0 +001119E0 000004C1 bzone            (bzone): : EntityClass::Find

010779E3 +002379E3 00000043 bzone            (bzone): : dlmalloc

0107B00A +0023B00A 0000000A bzone            (bzone): : BZ2MemMalloc

00F7272D +0013272D 0000004A bzone            (bzone): : std::list<std::pair<unsigned long const ,ExplosionClass const *>,std::allocator<std::pair<unsigned long const ,ExplosionClass const *> > >::_Insert

00E7F328 +0003F328 000000AF bzone            (bzone): : stdext::_Hash<stdext::_Hmap_traits<unsigned long,AudioCacheItem *,stdext::hash_compare<unsigned long,std::less<unsigned long> >,std::allocator<std::pair<unsigned long const ,AudioCacheItem *> >,0> >::_Insert

00E7F0A3 +0003F0A3 00000075 bzone            (bzone): : AudioCache::GetItem

00E80653 +00040653 0000000B bzone            (bzone): : PreloadGASSound

00E7F65C +0003F65C 00000014 bzone            (bzone): : PreloadAudioMessage

4EFE146F +0000146F 000002AD qf2cmpms07       (qf2cmpms07): : GetMisnAPI

00F66F84 +00126F84 000004B1 bzone            (bzone): : LoadGame

00F66946 +00126946 00000104 bzone            (bzone): : LoadGame

00E98BE8 +00058BE8 0000040F bzone            (bzone): : InitHandler::Process

01070C74 +00230C74 00000064 bzone            (bzone): : Main::MessagePump

00E8B43F +0004B43F 000004F0 bzone            (bzone): : HandledMain

00E8B0F2 +0004B0F2 000001A3 bzone            (bzone): : HandledMain

00E882A9 +000482A9 00000069 bzone            (bzone): : WinMain

01012B8F +001D2B8F 00000191 bzone            (bzone): : strcat

7659336A +0001336A 00000012 kernel32         (kernel32): : BaseThreadInitThunk

77259F72 +00039F72 00000063 ntdll            (ntdll): : RtlInitializeExceptionChain

77259F45 +00039F45 00000036 ntdll            (ntdll): : RtlInitializeExceptionChain