# Blender 2.90.0, Commit date: 2020-06-01 20:37, Hash 1d4bae856690 # backtrace Exception Record: ExceptionCode : EXCEPTION_ACCESS_VIOLATION Exception Address : 0x00007FF7115F5EB5 Exception Module : blender.exe Exception Flags : 0x00000000 Exception Parameters : 0x2 Parameters[0] : 0x0000000000000000 Parameters[1] : 0xFFFFFFFFFFFFFFFF Stack trace: blender.exe :0x00007FF7115F5E40 pose_channel_in_IK_chain blender.exe :0x00007FF71196CAD0 rna_property_override_diff_default blender.exe :0x00007FF71192A820 rna_property_override_diff blender.exe :0x00007FF71192A140 RNA_struct_override_matches blender.exe :0x00007FF71196EB00 rna_property_override_diff_propptr blender.exe :0x00007FF71196CAD0 rna_property_override_diff_default blender.exe :0x00007FF71192A820 rna_property_override_diff blender.exe :0x00007FF71192A140 RNA_struct_override_matches blender.exe :0x00007FF71196EB00 rna_property_override_diff_propptr blender.exe :0x00007FF71196CAD0 rna_property_override_diff_default blender.exe :0x00007FF71192A820 rna_property_override_diff blender.exe :0x00007FF71192A140 RNA_struct_override_matches blender.exe :0x00007FF711597A10 BKE_lib_override_library_operations_create blender.exe :0x00007FF711597510 BKE_lib_override_library_main_operations_create blender.exe :0x00007FF7140C0140 BKE_undosys_step_push_with_type blender.exe :0x00007FF7140BFF80 BKE_undosys_step_push blender.exe :0x00007FF711C9E290 ED_undo_push blender.exe :0x00007FF711737230 wm_operator_finished blender.exe :0x00007FF711735270 wm_handler_operator_call blender.exe :0x00007FF7117361F0 wm_handlers_do_intern blender.exe :0x00007FF711735820 wm_handlers_do blender.exe :0x00007FF711732EA0 wm_event_do_handlers blender.exe :0x00007FF71171E9A0 WM_main blender.exe :0x00007FF7114AA530 main blender.exe :0x00007FF7140B8548 __scrt_common_main_seh KERNEL32.DLL :0x00007FFBE2E17BC0 BaseThreadInitThunk ntdll.dll :0x00007FFBE4B8CE30 RtlUserThreadStart Threads: Thread : 000066dc ntdll.dll :0x00007FFBE4BBF9F0 NtWaitForWorkViaWorkerFactory ntdll.dll :0x00007FFBE4B538D0 RtlInitializeResource KERNEL32.DLL :0x00007FFBE2E17BC0 BaseThreadInitThunk ntdll.dll :0x00007FFBE4B8CE30 RtlUserThreadStart Thread : 000010ec ntdll.dll :0x00007FFBE4BBF9F0 NtWaitForWorkViaWorkerFactory ntdll.dll :0x00007FFBE4B538D0 RtlInitializeResource KERNEL32.DLL :0x00007FFBE2E17BC0 BaseThreadInitThunk ntdll.dll :0x00007FFBE4B8CE30 RtlUserThreadStart Thread : 00001018 ntdll.dll :0x00007FFBE4BBF9F0 NtWaitForWorkViaWorkerFactory ntdll.dll :0x00007FFBE4B538D0 RtlInitializeResource KERNEL32.DLL :0x00007FFBE2E17BC0 BaseThreadInitThunk ntdll.dll :0x00007FFBE4B8CE30 RtlUserThreadStart Thread : 00006108 ntdll.dll :0x00007FFBE4BBC0E0 NtWaitForSingleObject KERNELBASE.dll :0x00007FFBE1D38A70 WaitForSingleObjectEx blender.exe :0x00007FF713739510 IlmThread_2_4::Semaphore::wait blender.exe :0x00007FF713738CE0 IlmThread_2_4::ThreadPool::numThreads blender.exe :0x00007FF713739990 std::_LaunchPad