Raygun会定期弹出以下错误，但我不知道从哪里开始调试。只是一个猜测，但我正在使用MKMapView导致这个吗？这似乎很少发生。有什么想法吗？
Thread 19 Crashed:
0 libsystem_kernel.dylib 0x1831a8140 0x18318c000 + 115008
1 libsystem_c.dylib 0x183119dac abort + 400812
2 libc++abi.dylib 0x182c4d3f4 __cxa_bad_cast + 5108
3 libc++abi.dylib 0x182c69e80 default_terminate_handler( + 122496
4 libobjc.A.dylib 0x182c74264 _objc_terminate( + 33380
5 libc++abi.dylib 0x182c66f44 [std::__terminate(void (*)())] + 110404
6 libc++abi.dylib 0x182c6685c [__cxxabiv1::exception_cleanup_func(_Unwind_Reason_Code, _Unwind_Exception*)] + 108636
7 libc++abi.dylib 0x182c67154 [operator new(unsigned] + 110932
8 VectorKit 0x18d06928c [std::__1::vector<unsigned char, std::__1::allocator<unsigned char> > __append(unsigned long) ] + 2019980
9 VectorKit 0x18d275030 [ggl::BufferData::resize(unsigned long)] + 4165680
10 VectorKit 0x18d215fbc [VKCoastlineGroup addCoastlineFeature:] + 3776444
11 VectorKit 0x18cfe87bc [std::__1::__function::__func<-[VKPolygonTile buildCoastlinesWithStyleSession:]::$_5, std::__1::allocator<-[VKPolygonTile buildCoastlinesWithStyleSession:] $_5>, void (geo::_retain_ptr<objc_object*, geo::_retain_objc, geo::_release_objc, geo::_hash_objc, geo::_equal_objc>&, std::__1::shared_ptr<gss::StyleQuery>)>::operator()(geo::_retain_ptr<objc_object*, geo::_retain_objc, geo::_release_objc, geo::_hash_objc, geo::_equal_objc>&, std::__1::shared_ptr<gss::StyleQuery>&&) ] + 1492924
12 VectorKit 0x18cfe8dc4 [gss::StyleResolutionSession<geo::_retain_ptr<objc_object*, geo::_retain_objc, geo::_release_objc, geo::_hash_objc, geo::_equal_objc> > evaluateFeatureCreatingAndAppendingGroup(GEOFeature*, geo::_retain_ptr<objc_object*, geo::_retain_objc, geo::_release_objc, geo::_hash_objc, geo::_equal_objc>, std::__1::function<geo::_retain_ptr<objc_object*, geo::_retain_objc, geo::_release_objc, geo::_hash_objc, geo::_equal_objc> (std::__1::shared_ptr<gss::StyleQuery>, gss::FeatureAttributeSet const&)>, std::__1::function<void (geo::_retain_ptr<objc_object*, geo::_retain_objc, geo::_release_objc, geo::_hash_objc, geo::_equal_objc>&, std::__1::shared_ptr<gss::StyleQuery>)>) ] + 1494468
13 VectorKit 0x18cfe56d0 [VKPolygonTile buildCoastlinesWithStyleSession:] + 1480400
14 VectorKit 0x18cfe47f4 [VKPolygonTile initWithKey:modelTile:prepareExtrusion:styleManager:sharedResources:contentScale:device:] + 1476596
15 VectorKit 0x18ceb1dac [VKPolygonTileSource tileForData:downloadKey:sourceKey:] + 220588
16 VectorKit 0x18ce9df08 [VKTileSource decodeData:downloadKey:sourceKey:]_block_invoke] + 139016
17 libdispatch.dylib 0x183059630 _dispatch_call_block_and_release + 5680
18 libdispatch.dylib 0x1830595f0 _dispatch_client_callout + 5616
19 libdispatch.dylib 0x183063ec4 _dispatch_async_redirect_invoke + 48836
20 libdispatch.dylib 0x1830595f0 _dispatch_client_callout + 5616
21 libdispatch.dylib 0x183067a88 _dispatch_root_queue_drain + 64136
22 libdispatch.dylib 0x183069aa8 _dispatch_worker_thread + 72360
23 libsystem_pthread.dylib 0x18326fb28 0x18326c000 + 15144
24 libsystem_pthread.dylib 0x18326fa8c 0x18326c000 + 14988
25 libsystem_pthread.dylib 0x18326d028 0x18326c000 + 4136
感谢。