Fatal Exception: NSInvalidArgumentException
0  CoreFoundation                 0x18461586c __exceptionPreprocess
1  libobjc.A.dylib                0x199630c50 objc_exception_throw
2  CoreFoundation                 0x184685e1c -[__NSCFString characterAtIndex:].cold.1
3  CoreFoundation                 0x1846860c4 -[__NSCFBoolean compare:].cold.1
4  CoreFoundation                 0x1844f7d28 +[NSArray array]
5  CoreFoundation                 0x1844f6798 -[__NSCFNumber isEqualToNumber:]
6  CoreText                       0x188b07818 +[FontAssetDownloadManager filterIncompatibleAsset:]
7  CoreText                       0x188b07be0 +[FontAssetDownloadManager availableMobileAssetsWithOptions:error:]
8  CoreText                       0x188b08140 +[FontAssetDownloadManager availableMobileAssetsWithOptions:manager:error:]
9  CoreText                       0x188b06090 -[FontAssetDownloadManager mobileAssetsForUnmatched:]
10 CoreText                       0x188b05db8 -[FontAssetDownloadManager downloadFontAssets]
11 CoreText                       0x188b0a5c4 __CTFontDescriptorMatchFontDescriptorsWithProgressHandler_block_invoke
12 libdispatch.dylib              0x18420824c _dispatch_call_block_and_release
13 libdispatch.dylib              0x184209db0 _dispatch_client_callout
14 libdispatch.dylib              0x18421110c _dispatch_lane_serial_drain
15 libdispatch.dylib              0x184211c5c _dispatch_lane_invoke
16 libdispatch.dylib              0x18421bd78 _dispatch_workloop_worker_thread
17 libsystem_pthread.dylib        0x1d00c5814 _pthread_wqthread
18 libsystem_pthread.dylib        0x1d00cc76c start_wqthread