Game crashes in Sandbox

The Game Crashes in the Sandbox at the Engine Selection.

2019.04.29-14.37.14:455][188]CamsoLuaLog: SQL Statement is nil
[2019.04.29-14.37.14:455][188]CamsoLuaLog: Error: Exception: Lua Function Call: SaveModel: …ts/shared/functional/SANDBOX_DATA/CCarCalculator_SQL.lua:690: attempt to concatenate field ‘UID’ (a nil value)
Stack Traceback

(1) metamethod C function ‘__concat’
(2) Lua field ‘SaveModelSQL’ at file ‘scripts/shared/functional/SANDBOX_DATA/CCarCalculator_SQL.lua:690’
Local variables:
db = sqlite database (0000016020E8DBD0)
modelInfo = table: 0x016019d25970 {TechPool:table: 0x0160203bc410, CargoVolumeRear:0, CargoVolume:0, Bones:table: 0x016020448630 (more…)}
bindNames = table: 0x0160d856f180 {QualityChassis:0, InternalDays:27361, GameVersion:180926}
parts = table: 0x0160d856f290 {1:Chassis, 2:ChassisMaterial, 3:EnginePlacement, 4:FrontSuspension, 5:RearSuspension (more…)}
(*temporary) = string: “SELECT UID FROM Models WHERE UID = “”
(*temporary) = nil
(*temporary) = string: “”;”"
(*temporary) = number: 6
(*temporary) = string: “PanelMaterial”
(*temporary) = nil
(*temporary) = nil
(*temporary) = sqlite database (0000016020E8DBD0)
(*temporary) = Lua function ‘?’ (defined at line 36 of chunk scripts/ue4/debug.lua)
(*temporary) = number: 7.47216e-312
(*temporary) = string: “SQL Statement is nil”
(*temporary) = string: “attempt to concatenate field ‘UID’ (a nil value)”
(3) Lua method ‘SaveModel’ at file ‘scripts/shared/functional/SANDBOX_DATA/CDatabase_Cars.lua:14’
Local variables:
self = table: 0x016020eface8 {SQLDB:sqlite database (0000016020E8DBD0), Bodies:table: 0x016020efcbd0 (more…)}
modelInfo = table: 0x016019d25970 {TechPool:table: 0x0160203bc410, CargoVolumeRear:0, CargoVolume:0, Bones:table: 0x016020448630 (more…)}
(4) Lua function ‘?’ at file ‘scripts/shared/functional/SANDBOX_DATA/CCarCalculator_IO.lua:310’ (best guess)
Local variables:
self = table: 0x016020f0c508 {Database:table: 0x016020eface8, logging:false, CarInfo:table: 0x01602183e378 (more…)}

[2019.04.29-14.37.14:455][188]CamsoLuaLog: SQL Statement is nil
[2019.04.29-14.37.15:199][188]LogWindows: Error: === Critical error: ===
[2019.04.29-14.37.15:199][188]LogWindows: Error:
[2019.04.29-14.37.15:199][188]LogWindows: Error: Fatal error!
[2019.04.29-14.37.15:199][188]LogWindows: Error:
[2019.04.29-14.37.15:199][188]LogWindows: Error: Unhandled Exception: EXCEPTION_STACK_OVERFLOW
[2019.04.29-14.37.15:199][188]LogWindows: Error:
[2019.04.29-14.37.15:200][188]LogWindows: Error: AutomationGame-Win64-Shipping.exe!StaticFindObjectFastInternalThreadSafe()
[2019.04.29-14.37.15:200][188]LogWindows: Error: AutomationGame-Win64-Shipping.exe!StaticFindObjectFastInternal()
[2019.04.29-14.37.15:200][188]LogWindows: Error: AutomationGame-Win64-Shipping.exe!FindObjectWithOuter()
[2019.04.29-14.37.15:200][188]LogWindows: Error: AutomationGame-Win64-Shipping.exe!UObject::GetArchetypeFromRequiredInfo()
[2019.04.29-14.37.15:200][188]LogWindows: Error: AutomationGame-Win64-Shipping.exe!UObject::GetArchetypeFromRequiredInfo()
[2019.04.29-14.37.15:200][188]LogWindows: Error: AutomationGame-Win64-Shipping.exe!UObject::GetArchetypeFromRequiredInfo()
[2019.04.29-14.37.15:200][188]LogWindows: Error: AutomationGame-Win64-Shipping.exe!UObject::GetArchetypeFromRequiredInfo()
[2019.04.29-14.37.15:200][188]LogWindows: Error: AutomationGame-Win64-Shipping.exe!UObject::GetArchetypeFromRequiredInfo()
[2019.04.29-14.37.15:200][188]LogWindows: Error: AutomationGame-Win64-Shipping.exe!UObject::GetArchetypeFromRequiredInfo()
[2019.04.29-14.37.15:200][188]LogWindows: Error: AutomationGame-Win64-Shipping.exe!StaticConstructObject_Internal()
[2019.04.29-14.37.15:200][188]LogWindows: Error: AutomationGame-Win64-Shipping.exe!FObjectInstancingGraph::GetInstancedSubobject()
[2019.04.29-14.37.15:200][188]LogWindows: Error: AutomationGame-Win64-Shipping.exe!FObjectInstancingGraph::InstancePropertyValue()
[2019.04.29-14.37.15:200][188]LogWindows: Error: AutomationGame-Win64-Shipping.exe!UObjectPropertyBase::InstanceSubobjects()
[2019.04.29-14.37.15:200][188]LogWindows: Error: AutomationGame-Win64-Shipping.exe!UStruct::InstanceSubobjectTemplates()
[2019.04.29-14.37.15:200][188]LogWindows: Error: AutomationGame-Win64-Shipping.exe!FObjectInitializer::InstanceSubobjects()
[2019.04.29-14.37.15:200][188]LogWindows: Error: AutomationGame-Win64-Shipping.exe!FObjectInitializer::PostConstructInit()
[2019.04.29-14.37.15:200][188]LogWindows: Error: AutomationGame-Win64-Shipping.exe!FObjectInitializer::~FObjectInitializer()
[2019.04.29-14.37.15:200][188]LogWindows: Error: AutomationGame-Win64-Shipping.exe!StaticConstructObject_Internal()
[2019.04.29-14.37.15:200][188]LogWindows: Error: AutomationGame-Win64-Shipping.exe!FObjectInstancingGraph::GetInstancedSubobject()
[2019.04.29-14.37.15:200][188]LogWindows: Error: AutomationGame-Win64-Shipping.exe!FObjectInstancingGraph::InstancePropertyValue()
[2019.04.29-14.37.15:200][188]LogWindows: Error: AutomationGame-Win64-Shipping.exe!UObjectPropertyBase::InstanceSubobjects()
[2019.04.29-14.37.15:200][188]LogWindows: Error: AutomationGame-Win64-Shipping.exe!UArrayProperty::InstanceSubobjects()
[2019.04.29-14.37.15:200][188]LogWindows: Error: AutomationGame-Win64-Shipping.exe!UStruct::InstanceSubobjectTemplates()
[2019.04.29-14.37.15:200][188]LogWindows: Error: AutomationGame-Win64-Shipping.exe!FObjectInitializer::InstanceSubobjects()
[2019.04.29-14.37.15:200][188]LogWindows: Error: AutomationGame-Win64-Shipping.exe!FObjectInitializer::PostConstructInit()
[2019.04.29-14.37.15:200][188]LogWindows: Error: AutomationGame-Win64-Shipping.exe!FObjectInitializer::~FObjectInitializer()
[2019.04.29-14.37.15:200][188]LogWindows: Error: AutomationGame-Win64-Shipping.exe!StaticConstructObject_Internal()
[2019.04.29-14.37.15:200][188]LogWindows: Error: AutomationGame-Win64-Shipping.exe!FObjectInstancingGraph::GetInstancedSubobject()
[2019.04.29-14.37.15:200][188]LogWindows: Error: AutomationGame-Win64-Shipping.exe!FObjectInstancingGraph::InstancePropertyValue()
[2019.04.29-14.37.15:200][188]LogWindows: Error: AutomationGame-Win64-Shipping.exe!UObjectPropertyBase::InstanceSubobjects()
[2019.04.29-14.37.15:200][188]LogWindows: Error: AutomationGame-Win64-Shipping.exe!UStruct::InstanceSubobjectTemplates()
[2019.04.29-14.37.15:200][188]LogWindows: Error: AutomationGame-Win64-Shipping.exe!FObjectInitializer::InstanceSubobjects()
[2019.04.29-14.37.15:200][188]LogWindows: Error: AutomationGame-Win64-Shipping.exe!FObjectInitializer::PostConstructInit()
[2019.04.29-14.37.15:200][188]LogWindows: Error: AutomationGame-Win64-Shipping.exe!FObjectInitializer::~FObjectInitializer()
[2019.04.29-14.37.15:200][188]LogWindows: Error: AutomationGame-Win64-Shipping.exe!StaticConstructObject_Internal()
[2019.04.29-14.37.15:200][188]LogWindows: Error: AutomationGame-Win64-Shipping.exe!FObjectInstancingGraph::GetInstancedSubobject()
[2019.04.29-14.37.15:200][188]LogWindows: Error: AutomationGame-Win64-Shipping.exe!FObjectInstancingGraph::InstancePropertyValue()
[2019.04.29-14.37.15:200][188]LogWindows: Error: AutomationGame-Win64-Shipping.exe!UObjectPropertyBase::InstanceSubobjects()
[2019.04.29-14.37.15:200][188]LogWindows: Error: AutomationGame-Win64-Shipping.exe!UArrayProperty::InstanceSubobjects()
[2019.04.29-14.37.15:200][188]LogWindows: Error: AutomationGame-Win64-Shipping.exe!UStruct::InstanceSubobjectTemplates()
[2019.04.29-14.37.15:200][188]LogWindows: Error: AutomationGame-Win64-Shipping.exe!FObjectInitializer::InstanceSubobjects()
[2019.04.29-14.37.15:200][188]LogWindows: Error: AutomationGame-Win64-Shipping.exe!FObjectInitializer::PostConstructInit()
[2019.04.29-14.37.15:200][188]LogWindows: Error: AutomationGame-Win64-Shipping.exe!FObjectInitializer::~FObjectInitializer()
[2019.04.29-14.37.15:200][188]LogWindows: Error: AutomationGame-Win64-Shipping.exe!StaticConstructObject_Internal()
[2019.04.29-14.37.15:200][188]LogWindows: Error: AutomationGame-Win64-Shipping.exe!FObjectInstancingGraph::GetInstancedSubobject()
[2019.04.29-14.37.15:200][188]LogWindows: Error: AutomationGame-Win64-Shipping.exe!FObjectInstancingGraph::InstancePropertyValue()
[2019.04.29-14.37.15:200][188]LogWindows: Error: AutomationGame-Win64-Shipping.exe!UObjectPropertyBase::InstanceSubobjects()
[2019.04.29-14.37.15:200][188]LogWindows: Error: AutomationGame-Win64-Shipping.exe!UStruct::InstanceSubobjectTemplates()
[2019.04.29-14.37.15:200][188]LogWindows: Error: AutomationGame-Win64-Shipping.exe!FObjectInitializer::InstanceSubobjects()
[2019.04.29-14.37.15:200][188]LogWindows: Error: AutomationGame-Win64-Shipping.exe!FObjectInitializer::PostConstructInit()
[2019.04.29-14.37.15:200][188]LogWindows: Error: AutomationGame-Win64-Shipping.exe!FObjectInitializer::~FObjectInitializer()
[2019.04.29-14.37.15:200][188]LogWindows: Error: AutomationGame-Win64-Shipping.exe!StaticConstructObject_Internal()
[2019.04.29-14.37.15:200][188]LogWindows: Error: AutomationGame-Win64-Shipping.exe!FObjectInstancingGraph::GetInstancedSubobject()
[2019.04.29-14.37.15:200][188]LogWindows: Error: AutomationGame-Win64-Shipping.exe!FObjectInstancingGraph::InstancePropertyValue()
[2019.04.29-14.37.15:200][188]LogWindows: Error: AutomationGame-Win64-Shipping.exe!UObjectPropertyBase::InstanceSubobjects()
[2019.04.29-14.37.15:200][188]LogWindows: Error: AutomationGame-Win64-Shipping.exe!UArrayProperty::InstanceSubobjects()
[2019.04.29-14.37.15:200][188]LogWindows: Error: AutomationGame-Win64-Shipping.exe!UStruct::InstanceSubobjectTemplates()
[2019.04.29-14.37.15:200][188]LogWindows: Error: AutomationGame-Win64-Shipping.exe!FObjectInitializer::InstanceSubobjects()
[2019.04.29-14.37.15:200][188]LogWindows: Error: AutomationGame-Win64-Shipping.exe!FObjectInitializer::PostConstructInit()
[2019.04.29-14.37.15:200][188]LogWindows: Error: AutomationGame-Win64-Shipping.exe!FObjectInitializer::~FObjectInitializer()
[2019.04.29-14.37.15:200][188]LogWindows: Error: AutomationGame-Win64-Shipping.exe!StaticConstructObject_Internal()
[2019.04.29-14.37.15:200][188]LogWindows: Error: AutomationGame-Win64-Shipping.exe!FObjectInstancingGraph::GetInstancedSubobject()
[2019.04.29-14.37.15:200][188]LogWindows: Error: AutomationGame-Win64-Shipping.exe!FObjectInstancingGraph::InstancePropertyValue()
[2019.04.29-14.37.15:200][188]LogWindows: Error: AutomationGame-Win64-Shipping.exe!UObjectPropertyBase::InstanceSubobjects()
[2019.04.29-14.37.15:200][188]LogWindows: Error: AutomationGame-Win64-Shipping.exe!UStruct::InstanceSubobjectTemplates()
[2019.04.29-14.37.15:200][188]LogWindows: Error: AutomationGame-Win64-Shipping.exe!FObjectInitializer::InstanceSubobjects()
[2019.04.29-14.37.15:200][188]LogWindows: Error: AutomationGame-Win64-Shipping.exe!FObjectInitializer::PostConstructInit()
[2019.04.29-14.37.15:200][188]LogWindows: Error: AutomationGame-Win64-Shipping.exe!FObjectInitializer::~FObjectInitializer()
[2019.04.29-14.37.15:200][188]LogWindows: Error: AutomationGame-Win64-Shipping.exe!StaticConstructObject_Internal()
[2019.04.29-14.37.15:200][188]LogWindows: Error: AutomationGame-Win64-Shipping.exe!FObjectInstancingGraph::GetInstancedSubobject()
[2019.04.29-14.37.15:200][188]LogWindows: Error: AutomationGame-Win64-Shipping.exe!FObjectInstancingGraph::InstancePropertyValue()
[2019.04.29-14.37.15:200][188]LogWindows: Error: AutomationGame-Win64-Shipping.exe!UObjectPropertyBase::InstanceSubobjects()
[2019.04.29-14.37.15:200][188]LogWindows: Error: AutomationGame-Win64-Shipping.exe!UArrayProperty::InstanceSubobjects()
[2019.04.29-14.37.15:200][188]LogWindows: Error: AutomationGame-Win64-Shipping.exe!UStruct::InstanceSubobjectTemplates()
[2019.04.29-14.37.15:200][188]LogWindows: Error: AutomationGame-Win64-Shipping.exe!FObjectInitializer::InstanceSubobjects()
[2019.04.29-14.37.15:201][188]LogWindows: Error: AutomationGame-Win64-Shipping.exe!FObjectInitializer::PostConstructInit()
[2019.04.29-14.37.15:201][188]LogWindows: Error: AutomationGame-Win64-Shipping.exe!FObjectInitializer::~FObjectInitializer()
[2019.04.29-14.37.15:201][188]LogWindows: Error: AutomationGame-Win64-Shipping.exe!StaticConstructObject_Internal()
[2019.04.29-14.37.15:201][188]LogWindows: Error: AutomationGame-Win64-Shipping.exe!FObjectInstancingGraph::GetInstancedSubobject()
[2019.04.29-14.37.15:201][188]LogWindows: Error: AutomationGame-Win64-Shipping.exe!FObjectInstancingGraph::InstancePropertyValue()
[2019.04.29-14.37.15:201][188]LogWindows: Error: AutomationGame-Win64-Shipping.exe!UObjectPropertyBase::InstanceSubobjects()
[2019.04.29-14.37.15:201][188]LogWindows: Error: AutomationGame-Win64-Shipping.exe!UStruct::InstanceSubobjectTemplates()
[2019.04.29-14.37.15:201][188]LogWindows: Error: AutomationGame-Win64-Shipping.exe!FObjectInitializer::InstanceSubobjects()
[2019.04.29-14.37.15:201][188]LogWindows: Error: AutomationGame-Win64-Shipping.exe!FObjectInitializer::PostConstructInit()
[2019.04.29-14.37.15:201][188]LogWindows: Error: AutomationGame-Win64-Shipping.exe!FObjectInitializer::~FObjectInitializer()
[2019.04.29-14.37.15:201][188]LogWindows: Error: AutomationGame-Win64-Shipping.exe!StaticConstructObject_Internal()
[2019.04.29-14.37.15:201][188]LogWindows: Error: AutomationGame-Win64-Shipping.exe!FObjectInstancingGraph::GetInstancedSubobject()
[2019.04.29-14.37.15:201][188]LogWindows: Error: AutomationGame-Win64-Shipping.exe!FObjectInstancingGraph::GetInstancedSubobject()
[2019.04.29-14.37.15:201][188]LogWindows: Error: AutomationGame-Win64-Shipping.exe!FObjectInstancingGraph::InstancePropertyValue()
[2019.04.29-14.37.15:201][188]LogWindows: Error: AutomationGame-Win64-Shipping.exe!UObjectPropertyBase::InstanceSubobjects()
[2019.04.29-14.37.15:201][188]LogWindows: Error: AutomationGame-Win64-Shipping.exe!UStruct::InstanceSubobjectTemplates()
[2019.04.29-14.37.15:201][188]LogWindows: Error: AutomationGame-Win64-Shipping.exe!FObjectInitializer::InstanceSubobjects()
[2019.04.29-14.37.15:201][188]LogWindows: Error: AutomationGame-Win64-Shipping.exe!FObjectInitializer::PostConstructInit()
[2019.04.29-14.37.15:201][188]LogWindows: Error: AutomationGame-Win64-Shipping.exe!FObjectInitializer::~FObjectInitializer()
[2019.04.29-14.37.15:201][188]LogWindows: Error: AutomationGame-Win64-Shipping.exe!StaticConstructObject_Internal()
[2019.04.29-14.37.15:201][188]LogWindows: Error: AutomationGame-Win64-Shipping.exe!FObjectInstancingGraph::GetInstancedSubobject()
[2019.04.29-14.37.15:201][188]LogWindows: Error: AutomationGame-Win64-Shipping.exe!FObjectInstancingGraph::InstancePropertyValue()
[2019.04.29-14.37.15:201][188]LogWindows: Error: AutomationGame-Win64-Shipping.exe!UObjectPropertyBase::InstanceSubobjects()
[2019.04.29-14.37.15:201][188]LogWindows: Error: AutomationGame-Win64-Shipping.exe!UStruct::InstanceSubobjectTemplates()
[2019.04.29-14.37.15:201][188]LogWindows: Error: AutomationGame-Win64-Shipping.exe!FObjectInitializer::InstanceSubobjects()
[2019.04.29-14.37.15:201][188]LogWindows: Error:
[2019.04.29-14.37.15:217][188]LogExit: Executing StaticShutdownAfterError
[2019.04.29-14.37.15:256][188]LogWindows: FPlatformMisc::RequestExit(1)
[2019.04.29-14.37.15:256][188]Log file closed, 04/29/19 16:37:15

That looks like something in the database is broken.
Backup your saves if you have any saved cars, then clear saves via the launcher button for that and try again.
You find your sandbox database here:
\Documents\My Games\Automation\Sandbox_openbeta.db