I've received this error a number times as well.  Via LAN and single player.
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EXCEPTION_ACCESS_VIOLATION (0xc0000005) at address 0x00983707
    attempted to read memory at 0x0000ffff
 
Program : C:\Program Files\Stardock Games\Demigod\bin\Demigod.exe
Cmd line arguments : 
 
Callstack:
 Unknown symbol (address 0x00983707)
 
Last 100 lines of log...
 
A full record of the log is stored in the Demigodlog.txt file
 
info: Minimized false
debug: Loading module '\000/projectiles/misteffect01/misteffect01_script.lua\000'
debug: Loading module '\000/projectiles/misteffect02/misteffect02_script.lua\000'
debug: Loading module '\000/projectiles/misteffect03/misteffect03_script.lua\000'
debug: Loading module '\000/projectiles/misteffect04/misteffect04_script.lua\000'
debug: Loading module '\000/projectiles/misteffect05/misteffect05_script.lua\000'
debug: Loading module '\000/projectiles/entspike01/entspike01_script.lua\000'
debug: Loading module '\000/projectiles/entspike02/entspike02_script.lua\000'
debug: Loading module '\000/projectiles/mine01/mine01_script.lua\000'
debug: Loading module '\000/projectiles/arrow01/arrow01_script.lua\000'
debug: Loading module '\000/projectiles/hailball01/hailball01_script.lua\000'
debug: Loading module '\000/projectiles/spike01/spike01_script.lua\000'
debug: Loading module '\000/projectiles/spike02/spike02_script.lua\000'
debug: Loading module '\000/projectiles/venomspit01/venomspit01_script.lua\000'
debug: Loading module '\000/projectiles/frostball01/frostball01_script.lua\000'
debug: Loading module '\000/units/minions/siegearcher/siegearcher02_script.lua\000'
debug: Loading module '\000/projectiles/misteffect06/misteffect06_script.lua\000'
debug: Loading module '\000/projectiles/misteffect07/misteffect07_script.lua\000'
info: Setting audio parameter 'ALIVE' to value '0.000000'
debug: Loading module '\000/lua/simcallbacks.lua\000'
debug: Loading module '\000/lua/sim/simresourceviewer.lua\000'
debug: Loading module '\000/lua/simping.lua\000'
debug: Loading module '\000/lua/sim/tasks/poweruppickuptask.lua\000'
info: Setting audio parameter 'ALIVE' to value '1.000000'
debug: Loading module '\000/projectiles/arrow02/arrow02_script.lua\000'
info: Initiating Hero AI plan for: \000hgsa01
info: Setting audio parameter 'LEVEL' to value '2.000000'
debug: Loading module '\000/projectiles/bolt02/bolt02_script.lua\000'
info: Setting audio parameter 'WARSCORE' to value '2.000000'
info: Setting audio parameter 'LEVEL' to value '3.000000'
debug: Loading module '\000/projectiles/oakdeatheffect01/oakdeatheffect01_script.lua\000'
info: Initiating Hero AI plan for: \000hoak
debug: Loading module '\000/units/minions/minotaurcaptain/minotaurcaptain04_script.lua\000'
info: Initiating Hero AI plan for: \000hrook
debug: Loading module '\000/units/ug/b/ugbshop08/ugbshop08_shoplayout.lua\000'
info: ShopBp = {
info:   AI=__blueprints.ugbshop08.AI,
info:   Air=__blueprints.ugbshop08.Air,
info:   AllyHoverBracket="",
info:   Audio=__blueprints.ugbshop08.Audio,
info:   AverageDensity=0.49000000953674,
info:   BlueprintId="ugbshop08",
info:   BlueprintOrdinal=739,
info:   CameraTrackingYOffset=0,
info:   Categories=__blueprints.ugbshop08.Categories,
info:   CollisionOffsetX=0,
info:   CollisionOffsetY=0,
info:   CollisionOffsetZ=0,
info:   CollisionShape="Box",
info:   Defense=__blueprints.ugbshop08.Defense,
info:   Description="<LOC UNIT_DESC_0067>A shop selling Achievements.",
info:   DesiredShooterCap=3,
info:   Display=__blueprints.ugbshop08.Display,
info:   Effects=__blueprints.ugbshop08.Effects,
info:   EnemyHoverBracket="",
info:   Footprint=__blueprints.ugbshop08.Footprint,
info:   General=__blueprints.ugbshop08.General,
info:   InertiaTensorX=2.6666667461395,
info:   InertiaTensorY=2.6666667461395,
info:   InertiaTensorZ=2.6666667461395,
info:   Intel=__blueprints.ugbshop08.Intel,
info:   LifeBarHeight=0.10000000149012,
info:   LifeBarOffset=0,
info:   LifeBarRender=false,
info:   LifeBarSize=1,
info:   Name="Common Achievement Shop",
info:   NeutralHoverBracket="",
info:   NoDropShadow=false,
info:   Physics=__blueprints.ugbshop08.Physics,
info:   RuntimeData={
info:     DownIconFileName="/textures/ui/common/icons/units/default_icon.dds",
info:     IconFileName="/textures/ui/common/icons/units/default_icon.dds",
info:     OverIconFileName="/textures/ui/common/icons/units/default_icon.dds",
info:     UpIconFileName="/textures/ui/common/icons/units/default_icon.dds"
info:   },
info:   ScriptClass="",
info:   ScriptModule="",
info:   ScriptedAction="/lua/user/ShopAction.lua",
info:   SelectedBracket="",
info:   SelectionCenterOffsetX=0,
info:   SelectionCenterOffsetY=0,
info:   SelectionCenterOffsetZ=0,
info:   SelectionMeshSizeX=4,
info:   SelectionMeshSizeY=4,
info:   SelectionMeshSizeZ=4,
info:   SelectionMeshUseTopAmount=0,
info:   SelectionSizeX=5,
info:   SelectionSizeY=1,
info:   SelectionSizeZ=1,
info:   SelectionThickness=0,
info:   SelectionYOffset=0.5,
info:   Shop=__blueprints.ugbshop08.Shop,
info:   SizeX=4,
info:   SizeY=4,
info:   SizeZ=4,
info:   Source="/units/ug/b/ugbshop08/ugbshop08_unit.bp",
info:   Steering=__blueprints.ugbshop08.Steering,
info:   StrategicIconName="",
info:   Weapon=__blueprints.ugbshop08.Weapon
info: }