{"action":"created","issue":{"url":"https://api.github.com/repos/firebase/Firebase-Unity/issues/28","repository_url":"https://api.github.com/repos/firebase/Firebase-Unity","labels_url":"https://api.github.com/repos/firebase/Firebase-Unity/issues/28/labels{/name}","comments_url":"https://api.github.com/repos/firebase/Firebase-Unity/issues/28/comments","events_url":"https://api.github.com/repos/firebase/Firebase-Unity/issues/28/events","html_url":"https://github.com/firebase/Firebase-Unity/issues/28","id":144111575,"number":28,"title":"Firebase Unity unable to receive events on iOS (With Error)","user":{"login":"PimDeWitte","id":8763534,"avatar_url":"https://avatars.githubusercontent.com/u/8763534?v=3","gravatar_id":"","url":"https://api.github.com/users/PimDeWitte","html_url":"https://github.com/PimDeWitte","followers_url":"https://api.github.com/users/PimDeWitte/followers","following_url":"https://api.github.com/users/PimDeWitte/following{/other_user}","gists_url":"https://api.github.com/users/PimDeWitte/gists{/gist_id}","starred_url":"https://api.github.com/users/PimDeWitte/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/PimDeWitte/subscriptions","organizations_url":"https://api.github.com/users/PimDeWitte/orgs","repos_url":"https://api.github.com/users/PimDeWitte/repos","events_url":"https://api.github.com/users/PimDeWitte/events{/privacy}","received_events_url":"https://api.github.com/users/PimDeWitte/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":1,"created_at":"2016-03-28T23:40:28Z","updated_at":"2016-03-28T23:55:50Z","closed_at":null,"body":"I tested it on the latest version using the empty-project, and it is throwing the same error. I will continue to look into the issue and I'll also try to revert to an older version to see if that fixes it. Here is the error.\r\n\r\n\r\n```\r\n[__NSDictionaryM UTF8String]: unrecognized selector sent to instance 0x823b19b0\r\n2016-03-28 19:38:52.959 ProductName[73483:5212806] Uncaught exception: NSInvalidArgumentException: -[__NSDictionaryM UTF8String]: unrecognized selector sent to instance 0x823b19b0\r\n(\r\n\t0   CoreFoundation                      0x06094a14 __exceptionPreprocess + 180\r\n\t1   libobjc.A.dylib                     0x05ab5e02 objc_exception_throw + 50\r\n\t2   CoreFoundation                      0x0609dd63 -[NSObject(NSObject) doesNotRecognizeSelector:] + 275\r\n\t3   CoreFoundation                      0x05fdb6bd ___forwarding___ + 1037\r\n\t4   CoreFoundation                      0x05fdb28e _CF_forwarding_prep_0 + 14\r\n\t5   ProductName                         0x00050a66 _DataSnapshotGetStringValue + 71\r\n\t6   ???                                 0x12a67405 0x0 + 312898565\r\n\t7   ???                                 0x12a67350 0x0 + 312898384\r\n\t8   ???                                 0x12a67292 0x0 + 312898194\r\n\t9   ???                                 0x12a66b6d 0x0 + 312896365\r\n\t10  ???                                 0x12a65d1e 0x0 + 312892702\r\n\t11  ProductName                         0x0004fb2c ___FirebaseObserveChildAdded_block_invoke + 34\r\n\t12  ProductName                         0x01206d65 __53-[FQuery observeEventType:withBlock:withCancelBlock:]_block_invoke + 41\r\n\t13  ProductName                         0x01231f3d __43-[FChildEventRegistration fireEvent:queue:]_block_invoke60 + 105\r\n\t14  libdispatch.dylib                   0x06c7d377 _dispatch_call_block_and_release + 15\r\n\t15  libdispatch.dylib                   0x06ca09cd _dispatch_client_callout + 14\r\n\t16  libdispatch.dylib                   0x06c85f90 _dispatch_main_queue_callback_4CF + 910\r\n\t17  CoreFoundation                      0x05fe5fde __CFRUNLOOP_IS_SERVICING_THE_MAIN_DISPATCH_QUEUE__ + 14\r\n\t18  CoreFoundation                      0x05fa3cd4 __CFRunLoopRun + 2356\r\n\t19  CoreFoundation                      0x05fa30e6 CFRunLoopRunSpecific + 470\r\n\t20  CoreFoundation                      0x05fa2efb CFRunLoopRunInMode + 123\r\n\t21  GraphicsServices                    0x0649d664 GSEventRunModal + 192\r\n\t22  GraphicsServices                    0x0649d4a1 GSEventRun + 104\r\n\t23  UIKit                               0x0442abfa UIApplicationMain + 160\r\n\t24  ProductName                         0x0002cb68 main + 168\r\n\t25  libdyld.dylib                       0x06ccba21 start + 1\r\n)\r\n2016-03-28 19:38:52.960 ProductName[73483:5212806] *** Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '-[__NSDictionaryM UTF8String]: unrecognized selector sent to instance 0x823b19b0'\r\n*** First throw call stack:\r\n(\r\n\t0   CoreFoundation                      0x06094a14 __exceptionPreprocess + 180\r\n\t1   libobjc.A.dylib                     0x05ab5e02 objc_exception_throw + 50\r\n\t2   CoreFoundation                      0x0609dd63 -[NSObject(NSObject) doesNotRecognizeSelector:] + 275\r\n\t3   CoreFoundation                      0x05fdb6bd ___forwarding___ + 1037\r\n\t4   CoreFoundation                      0x05fdb28e _CF_forwarding_prep_0 + 14\r\n\t5   ProductName                         0x00050a66 _DataSnapshotGetStringValue + 71\r\n\t6   ???                                 0x12a67405 0x0 + 312898565\r\n\t7   ???                                 0x12a67350 0x0 + 312898384\r\n\t8   ???                                 0x12a67292 0x0 + 312898194\r\n\t9   ???                                 0x12a66b6d 0x0 + 312896365\r\n\t10  ???                                 0x12a65d1e 0x0 + 312892702\r\n\t11  ProductName                         0x0004fb2c ___FirebaseObserveChildAdded_block_invoke + 34\r\n\t12  ProductName                         0x01206d65 __53-[FQuery observeEventType:withBlock:withCancelBlock:]_block_invoke + 41\r\n\t13  ProductName                         0x01231f3d __43-[FChildEventRegistration fireEvent:queue:]_block_invoke60 + 105\r\n\t14  libdispatch.dylib                   0x06c7d377 _dispatch_call_block_and_release + 15\r\n\t15  libdispatch.dylib                   0x06ca09cd _dispatch_client_callout + 14\r\n\t16  libdispatch.dylib                   0x06c85f90 _dispatch_main_queue_callback_4CF + 910\r\n\t17  CoreFoundation                      0x05fe5fde __CFRUNLOOP_IS_SERVICING_THE_MAIN_DISPATCH_QUEUE__ + 14\r\n\t18  CoreFoundation                      0x05fa3cd4 __CFRunLoopRun + 2356\r\n\t19  CoreFoundation                      0x05fa30e6 CFRunLoopRunSpecific + 470\r\n\t20  CoreFoundation                      0x05fa2efb CFRunLoopRunInMode + 123\r\n\t21  GraphicsServices                    0x0649d664 GSEventRunModal + 192\r\n\t22  GraphicsServices                    0x0649d4a1 GSEventRun + 104\r\n\t23  UIKit                               0x0442abfa UIApplicationMain + 160\r\n\t24  ProductName                         0x0002cb68 main + 168\r\n\t25  libdyld.dylib                       0x06ccba21 start + 1\r\n)\r\nlibc++abi.dylib: terminating with uncaught exception of type NSException\r\n```"},"comment":{"url":"https://api.github.com/repos/firebase/Firebase-Unity/issues/comments/202632294","html_url":"https://github.com/firebase/Firebase-Unity/issues/28#issuecomment-202632294","issue_url":"https://api.github.com/repos/firebase/Firebase-Unity/issues/28","id":202632294,"user":{"login":"PimDeWitte","id":8763534,"avatar_url":"https://avatars.githubusercontent.com/u/8763534?v=3","gravatar_id":"","url":"https://api.github.com/users/PimDeWitte","html_url":"https://github.com/PimDeWitte","followers_url":"https://api.github.com/users/PimDeWitte/followers","following_url":"https://api.github.com/users/PimDeWitte/following{/other_user}","gists_url":"https://api.github.com/users/PimDeWitte/gists{/gist_id}","starred_url":"https://api.github.com/users/PimDeWitte/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/PimDeWitte/subscriptions","organizations_url":"https://api.github.com/users/PimDeWitte/orgs","repos_url":"https://api.github.com/users/PimDeWitte/repos","events_url":"https://api.github.com/users/PimDeWitte/events{/privacy}","received_events_url":"https://api.github.com/users/PimDeWitte/received_events","type":"User","site_admin":false},"created_at":"2016-03-28T23:55:50Z","updated_at":"2016-03-28T23:55:50Z","body":"I reverted head to 24cc4a2204057bda695f4a447901cdf1df5fbbd1 in order to test if my changes broke it, and it seems to be the case. While I'm not sure what the cause is, it seems my PR broke the iOS build. Will continue to look into this in the evening, if it doesn't work by the AM I recommend reverting HEAD to 24cc4a2204057bda695f4a447901cdf1df5fbbd1 until I found the cause."}}