File Media Output crashing in standalone OS X

Trying to run file media output to capture a scene in a blueprint – it’s working well on Windows and it works in OS X while I’m in the editor (play in editor mode). But the moment I hop over to standalone in OS X I get a crash – any ideas what I might need to do over for standalone on OS X?:

[2020.07.15-22.30.46:653][339]LogRHI: Display: Encountered a new graphics PSO: 3369048181
[2020.07.15-22.30.46:653][339]LogRHI: Display: New Graphics PSO (3369048181) Description: B7672EA8261423D579947E9658723C45739991EF,DD798B392CF235309A50BE1D3F58647A5E6B57FD,0000000000000000000000000000000000000000,0000000000000000000000000000000000000000,0000000000000000000000000000000000000000,<0 1 0 0 1 0 15 0 1 0 0 1 0 15 0 1 0 0 1 0 15 0 1 0 0 1 0 15 0 1 0 0 1 0 15 0 1 0 0 1 0 15 0 1 0 0 1 0 15 0 1 0 0 1 0 15 1>,<0.000000 0.000000 2 0 1 0>,<0 7 0 7 0 0 0 0 7 0 0 0 255 255>,1,0,0,0,0,0,0,0,1,2,131073,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,4,<0 0 4 0 48 0>,<0 16 2 1 48 0>,<0 24 4 2 48 0>,<0 40 8 3 48 0>,<0 0 0 0 0 0>,<0 0 0 0 0 0>,<0 0 0 0 0 0>,<0 0 0 0 0 0>,<0 0 0 0 0 0>,<0 0 0 0 0 0>,<0 0 0 0 0 0>,<0 0 0 0 0 0>,<0 0 0 0 0 0>,<0 0 0 0 0 0>,<0 0 0 0 0 0>,<0 0 0 0 0 0>
[2020.07.15-22.30.46:746][340]LogMac: === Critical error: ===
SIGSEGV: invalid attempt to access memory at address 0x1f0

[2020.07.15-22.30.46:746][340]LogMac: 0x2c89ad1f AMDMTLBronzeDriver!amdMtlBronzeCopyFromTextureToTexture(BronzeMtlBlitCmdEncoder*, id, unsigned long, unsigned long, MTLOrigin, MTLSize, objc_object, unsigned long, unsigned long, id)   [UnknownFile]) ^M
0x2c89acc7 AMDMTLBronzeDriver!-[BronzeMtlBlitCmdEncoder copyFromTexture:sourceSlice:sourceLevel:sourceOrigin:sourceSize:toTexture:destinationSlice:destinationLevel:destinationOrigin:]   [UnknownFile]) ^M
0x08e1de9d MLB_KZ3D!mtlpp::BlitCommandEncoder::Copy(mtlpp::Texture const&, unsigned long, unsigned long, mtlpp::Origin const&, mtlpp::Size const&, mtlpp::Texture const&, unsigned long, unsigned long, mtlpp::Origin const&)   [UnknownFile]) ^M
0x09e703c9 MLB_KZ3D!FMetalRenderPass::CopyFromTextureToTexture(FMetalTexture const&, unsigned int, unsigned int, mtlpp::Origin, mtlpp::Size, FMetalTexture const&, unsigned int, unsigned int, mtlpp::Origin)   [UnknownFile]) ^M
0x09e7da8c MLB_KZ3D!FMetalRHICommandContext::RHICopyToResolveTarget(FRHITexture*, FRHITexture*, FResolveParams const&)   [UnknownFile]) ^M
0x093119c0 MLB_KZ3D!FRHICommand::ExecuteAndDestruct(FRHICommandListBase&, FRHICommandListDebugContext&)   [UnknownFile]) ^M
0x0b1088db MLB_KZ3D!FRHICommandListExecutor::ExecuteInner_DoExecute(FRHICommandListBase&)   [UnknownFile]) ^M
0x0b1493e9 MLB_KZ3D!FExecuteRHIThreadTask::DoTask(ENamedThreads::Type, TRefCountPtr const&)   [UnknownFile]) ^M
0x0b148bc5 MLB_KZ3D!TGraphTask::ExecuteTask(TArray >&, ENamedThreads::Type)   [UnknownFile]) ^M
0x09f3b191 MLB_KZ3D!FNamedTaskThread::ProcessTasksNamedThread(int, bool)   [UnknownFile]) ^M
0x09f39ec3 MLB_KZ3D!FNamedTaskThread::ProcessTasksUntilQuit(int)   [UnknownFile]) ^M
0x0b1e2b46 MLB_KZ3D!FRHIThread::Run()   [UnknownFile]) ^M
0x0a0185c8 MLB_KZ3D!FRunnableThreadPThread::Run()   [UnknownFile]) ^M
0x09fde471 MLB_KZ3D!FRunnableThreadPThread::_ThreadProc(void*)   [UnknownFile]) ^M
0x737c6109 libsystem_pthread.dylib!_pthread_start()   [UnknownFile]) ^M
0x737c1b8b libsystem_pthread.dylib!thread_start()   [UnknownFile]) ^M