Hi,
There is the full stack from Unity 5.6.1f1 and Wwise 2016.2.2. We are facing the exact same issue since months and it occurs really often after hitting stop in the editor.
========== OUTPUTING STACK TRACE ==================
0x00007FF8FAF8C68B (AkSoundEngine) AK::MemoryMgr::Term
0x00007FF8FAF8B639 (AkSoundEngine) AK::MemoryMgr::Free
0x00007FF8FAEB80A3 (AkSoundEngine) AK::SoundEngine::Term
ERROR: SymGetSymFromAddr64, GetLastError: 'Tentative d’accès à une adresse non valide.' (Address: 00007FF8FAEA4A99)
0x00007FF8FAEA4A99 (AkSoundEngine)
0x00000000311E631D (Mono JIT Code) (wrapper managed-to-native) AkSoundEnginePINVOKE:CSharp_Term ()
0x00000000311E61FF (Mono JIT Code) [C:\Depots\PaperBeast\Assets\Standard Assets\ThirdParty\Wwise\Deployment\API\Generated\Windows\AkSoundEngine_Windows.cs:2474] AkSoundEngine:Term ()
0x00000000311E4AE4 (Mono JIT Code) [C:\Depots\PaperBeast\Assets\Standard Assets\ThirdParty\Wwise\Deployment\Components\AkTerminator.cs:93] AkTerminator:Terminate ()
0x00000000311E414C (Mono JIT Code) [C:\Depots\PaperBeast\Assets\Standard Assets\ThirdParty\Wwise\Deployment\Components\AkTerminator.cs:43] AkTerminator:OnApplicationQuit ()
0x0000000000947112 (Mono JIT Code) (wrapper runtime-invoke) object:runtime_invoke_void__this__ (object,intptr,intptr,intptr)
0x00007FF8E3675737 (mono) [c:\buildslave\mono\build\mono\mini\mini.c:4937] mono_jit_runtime_invoke
0x00007FF8E35C8435 (mono) [c:\buildslave\mono\build\mono\metadata\object.c:2623] mono_runtime_invoke
0x00000001410645B5 (Unity) scripting_method_invoke
0x0000000141059DF1 (Unity) ScriptingInvocation::Invoke
0x000000014149D769 (Unity) MonoBehaviour::HandleNotifications
0x0000000140906FA0 (Unity) GameObject::SendMessageAny
0x0000000140D5C768 (Unity) SendMessageToEveryone
0x000000014148121F (Unity) NotifyPlayerQuit
0x0000000141724421 (Unity) Application::ExitPlayMode
0x00000001417248B3 (Unity) Application::SetIsPlaying
0x0000000141725412 (Unity) Application::TickTimer
0x00000001417F0ABC (Unity) CrashCallback
0x00000001417F2704 (Unity) WinMain
0x0000000141AD7444 (Unity) strnlen
0x00007FF92B372774 (KERNEL32) BaseThreadInitThunk
0x00007FF92D710D61 (ntdll) RtlUserThreadStart
========== END OF STACKTRACE ===========