Hi ! I just exported a project, and after a minute of black screen, the app crash with this message :
LoginId:1472e90b3b41595678d4aa8a44cc410c
EpicAccountId:54c5456c34d8476f8d014131c9f4b4f1
LowLevelFatalError [File:Unknown] [Line: 192] Command Buffer Unknown Failed with Internal Error! Error Domain: MTLCommandBufferErrorDomain Code: 1 Description Internal Error (IOAF code 1) Unknown Unknown
FGenericPlatformMisc::RaiseException(unsigned int) Address = 0x10fe0e6d7 (filename not found) [in ExpoConfinement_2020]
FOutputDevice::LogfImpl(char16_t const*, ...) Address = 0x10ff57819 (filename not found) [in ExpoConfinement_2020]
ReportMetalCommandBufferFailure(mtlpp::CommandBuffer const&, char16_t const*, bool) Address = 0x10fd23099 (filename not found) [in ExpoConfinement_2020]
MetalCommandBufferFailureInternal(mtlpp::CommandBuffer const&) Address = 0x10fd3c89c (filename not found) [in ExpoConfinement_2020]
HandleMetalCommandBufferError(mtlpp::CommandBuffer const&) Address = 0x10fd21fdb (filename not found) [in ExpoConfinement_2020]
HandleAMDMetalCommandBufferError(mtlpp::CommandBuffer const&) Address = 0x10fd21f25 (filename not found) [in ExpoConfinement_2020]
FMetalCommandList::HandleMetalCommandBufferFailure(mtlpp::CommandBuffer const&) Address = 0x10fd21d5a (filename not found) [in ExpoConfinement_2020]
invocation function for block in FMetalCommandList::Commit(mtlpp::CommandBuffer&, TArray<ns::Object<void (mtlpp::CommandBuffer const&) block_pointer, (ns::CallingConvention)1>, TSizedDefaultAllocator<32> >, bool, bool) Address = 0x10fd2386e (filename not found) [in ExpoConfinement_2020]
invocation function for block in mtlpp::CommandBuffer::AddCompletedHandler(void (mtlpp::CommandBuffer const&) block_pointer) Address = 0x10f527858 (filename not found) [in ExpoConfinement_2020]
MTLDispatchListApply Address = 0x7fff36a0a51b (filename not found) [in Metal]
-[_MTLCommandBuffer didCompleteWithStartTime:endTime:error:] Address = 0x7fff36a0a99d (filename not found) [in Metal]
-[MTLIOAccelCommandBuffer didCompleteWithStartTime:endTime:error:] Address = 0x7fff36a0a802 (filename not found) [in Metal]
-[_MTLCommandQueue commandBufferDidComplete:startTime:completionTime:error:] Address = 0x7fff36a0a6f1 (filename not found) [in Metal]
__53-[MTLIOAccelCommandQueue submitCommandBuffers:count:]_block_invoke.19 Address = 0x7fff36a0a5e7 (filename not found) [in Metal]
ioAccelCommandQueueBlockFenceCallback Address = 0x7fff5590947e (filename not found) [in IOAccelerator]
IODispatchCalloutFromCFMessage Address = 0x7fff343b9c6b (filename not found) [in IOKit]
_IODispatchCalloutWithDispatch Address = 0x7fff343b9aec (filename not found) [in IOKit]
dispatch_mig_server Address = 0x7fff68c962f7 (filename not found) [in libdispatch.dylib]
_dispatch_client_callout Address = 0x7fff68c7f50e (filename not found) [in libdispatch.dylib]
_dispatch_continuation_pop Address = 0x7fff68c816c0 (filename not found) [in libdispatch.dylib]
_dispatch_source_invoke Address = 0x7fff68c913c4 (filename not found) [in libdispatch.dylib]
_dispatch_lane_serial_drain Address = 0x7fff68c84980 (filename not found) [in libdispatch.dylib]
_dispatch_lane_invoke Address = 0x7fff68c85452 (filename not found) [in libdispatch.dylib]
_dispatch_workloop_worker_thread Address = 0x7fff68c8ea9e (filename not found) [in libdispatch.dylib]
_pthread_wqthread Address = 0x7fff68ed96fc (filename not found) [in libsystem_pthread.dylib]
start_wqthread Address = 0x7fff68ed8827 (filename not found) [in libsystem_pthread.dylib]
Any idea of how to resolve this ?
Thank you