{"action":"reopened","issue":{"url":"https://api.github.com/repos/facebook/AsyncDisplayKit/issues/1628","repository_url":"https://api.github.com/repos/facebook/AsyncDisplayKit","labels_url":"https://api.github.com/repos/facebook/AsyncDisplayKit/issues/1628/labels{/name}","comments_url":"https://api.github.com/repos/facebook/AsyncDisplayKit/issues/1628/comments","events_url":"https://api.github.com/repos/facebook/AsyncDisplayKit/issues/1628/events","html_url":"https://github.com/facebook/AsyncDisplayKit/issues/1628","id":153347402,"number":1628,"title":"ASDataController. attempt to insert nil object from objects[0]","user":{"login":"tettoffensive","id":5884119,"avatar_url":"https://avatars.githubusercontent.com/u/5884119?v=3","gravatar_id":"","url":"https://api.github.com/users/tettoffensive","html_url":"https://github.com/tettoffensive","followers_url":"https://api.github.com/users/tettoffensive/followers","following_url":"https://api.github.com/users/tettoffensive/following{/other_user}","gists_url":"https://api.github.com/users/tettoffensive/gists{/gist_id}","starred_url":"https://api.github.com/users/tettoffensive/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/tettoffensive/subscriptions","organizations_url":"https://api.github.com/users/tettoffensive/orgs","repos_url":"https://api.github.com/users/tettoffensive/repos","events_url":"https://api.github.com/users/tettoffensive/events{/privacy}","received_events_url":"https://api.github.com/users/tettoffensive/received_events","type":"User","site_admin":false},"labels":[{"url":"https://api.github.com/repos/facebook/AsyncDisplayKit/labels/close%20if%20no%20reply","name":"close if no reply","color":"e11d21"},{"url":"https://api.github.com/repos/facebook/AsyncDisplayKit/labels/community%20debugging","name":"community debugging","color":"009b95"}],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":7,"created_at":"2016-05-05T23:19:28Z","updated_at":"2016-05-17T17:41:40Z","closed_at":null,"body":"I can't actually get this to happen in the debugger. but crashlytics is reporting this happening for a lot of my users. I can't actually tell though which part of the app this is happening in so it's gonna take some investigating\r\n\r\n**-[__NSPlaceholderArray initWithObjects:count:]: attempt to insert nil object from objects[0]**\r\n\r\n```\r\n12 libobjc.A.dylib                0x247b6ed3 objc_exception_throw + 250\r\n13 CoreFoundation                 0x24f031fd -[__NSPlaceholderArray initWithObjects:count:] + 292\r\n14 AsyncDisplayKit                0x8cb8ab __64-[ASDataController _layoutNodes:ofKind:atIndexPaths:completion:]_block_invoke + 270\r\n15 AsyncDisplayKit                0x8cb5d7 -[ASDataController _layoutNodes:ofKind:atIndexPaths:completion:] + 930\r\n16 AsyncDisplayKit                0x8cab81 -[ASDataController batchLayoutNodes:ofKind:atIndexPaths:completion:] + 392\r\n17 AsyncDisplayKit                0x8cb101 -[ASDataController _batchLayoutNodes:atIndexPaths:withAnimationOptions:] + 200\r\n18 AsyncDisplayKit                0x8d100d __64-[ASDataController insertRowsAtIndexPaths:withAnimationOptions:]_block_invoke_3 + 36\r\n19 Foundation                     0x257ee52d __NSBLOCKOPERATION_IS_CALLING_OUT_TO_A_BLOCK__ + 8\r\n20 Foundation                     0x2574feff -[NSBlockOperation main] + 146\r\n21 Foundation                     0x257422ef -[__NSOperationInternal _start:] + 774\r\n22 Foundation                     0x257f07ed __NSOQSchedule_f + 192\r\n23 libdispatch.dylib              0x24b91f97 _dispatch_queue_drain + 1762\r\n24 libdispatch.dylib              0x24b8af2f _dispatch_queue_invoke + 282\r\n25 libdispatch.dylib              0x24b93325 _dispatch_root_queue_drain + 400\r\n26 libdispatch.dylib              0x24b93193 _dispatch_worker_thread3 + 94\r\n27 libsystem_pthread.dylib        0x24d20e0d _pthread_wqthread + 1024\r\n28 libsystem_pthread.dylib        0x24d209fc start_wqthread + 8\r\n```"}}