objective c - IOS: Fabric crash report with app not appearing in stack trace, how to debug -


looking @ crash reports in fabric i've come across quite few of these crash reports (or variant of them, involving renderingmode called on objects isn't object). line in stacktrace refrers actual app call main makes debugging error quite hard. have idea may have gone wrong here?

fatal exception: nsinvalidargumentexception -[_cfxnotificationobjcobserverregistration renderingmode]: unrecognized selector sent instance 0x170290ef0  raw text  fatal exception: nsinvalidargumentexception 0  corefoundation                 0x186486fe0 __exceptionpreprocess 1  libobjc.a.dylib                0x184ee8538 objc_exception_throw 2  corefoundation                 0x18648def4 __methoddescriptionforselector 3  corefoundation                 0x18648af54 ___forwarding___ 4  corefoundation                 0x186386d4c _cf_forwarding_prep_0 5  uikit                          0x18c5c7a48 -[uiimageview _shouldtreatimageastemplate:] 6  uikit                          0x18c5c79f8 -[uiimageview _effectivetintcolorwithimage:] 7  uikit                          0x18c5c89d8 -[uiimageview tintcolordidchange] 8  uikit                          0x18cacd9d8 -[_uitintcolorvisitor _visitview:] 9  uikit                          0x18cace0bc _uiviewvisitorentertainvisitors 10 uikit                          0x18cacd1f0 _uiviewvisitorrecursivelyentertaindescendingvisitors 11 uikit                          0x18cacd2a0 _uiviewvisitorrecursivelyentertaindescendingvisitors 12 uikit                          0x18cacd2a0 _uiviewvisitorrecursivelyentertaindescendingvisitors 13 uikit                          0x18cacd2a0 _uiviewvisitorrecursivelyentertaindescendingvisitors 14 uikit                          0x18cacd2a0 _uiviewvisitorrecursivelyentertaindescendingvisitors 15 uikit                          0x18cacd2a0 _uiviewvisitorrecursivelyentertaindescendingvisitors 16 uikit                          0x18cacd2a0 _uiviewvisitorrecursivelyentertaindescendingvisitors 17 uikit                          0x18cacd2a0 _uiviewvisitorrecursivelyentertaindescendingvisitors 18 uikit                          0x18caccb3c _uiviewvisitorentertaindescendingtrackingvisitors 19 uikit                          0x18c5b45a8 __45-[uiview(hierarchy) _postmovedfromsuperview:]_block_invoke 20 uikit                          0x18c5b4394 -[uiview(hierarchy) _postmovedfromsuperview:] 21 uikit                          0x18c5c02ac -[uiview(internal) _addsubview:positioned:relativeto:] 22 uikit                          0x18c5bfbc8 -[uiview(hierarchy) addsubview:] 23 uikit                          0x18c82b054 __53-[_uinavigationparallaxtransition animatetransition:]_block_invoke_2 24 uikit                          0x18c5c6964 +[uiview(animation) performwithoutanimation:] 25 uikit                          0x18c798950 __53-[_uinavigationparallaxtransition animatetransition:]_block_invoke 26 uikit                          0x18c8b5388 +[uiview(internal) _performblockdelayingtriggeringresponderevents:] 27 uikit                          0x18c798450 -[_uinavigationparallaxtransition animatetransition:] 28 uikit                          0x18c755818 -[uinavigationcontroller _startcustomtransition:] 29 uikit                          0x18c66f7bc -[uinavigationcontroller _startdeferredtransitionifneeded:] 30 uikit                          0x18c66f424 -[uinavigationcontroller __viewwilllayoutsubviews] 31 uikit                          0x18c66f388 -[uilayoutcontainerview layoutsubviews] 32 uikit                          0x18c5b5cc0 -[uiview(calayerdelegate) layoutsublayersoflayer:] 33 quartzcore                     0x1897a6274 -[calayer layoutsublayers] 34 quartzcore                     0x18979ade8 ca::layer::layout_if_needed(ca::transaction*) 35 quartzcore                     0x18979aca8 ca::layer::layout_and_display_if_needed(ca::transaction*) 36 quartzcore                     0x18971634c ca::context::commit_transaction(ca::transaction*) 37 quartzcore                     0x18973d3ac ca::transaction::commit() 38 uikit                          0x18c837168 _uiapplicationflushrunloopcatransactioniftoolate 39 uikit                          0x18cdad404 __handleeventqueue 40 uikit                          0x18cdad5a8 __handlehideventfetcherdrain 41 corefoundation                 0x18643542c __cfrunloop_is_calling_out_to_a_source0_perform_function__ 42 corefoundation                 0x186434d9c __cfrunloopdosources0 43 corefoundation                 0x1864329a8 __cfrunlooprun 44 corefoundation                 0x186362da4 cfrunlooprunspecific 45 graphicsservices               0x187dcd074 gseventrunmodal 46 uikit                          0x18c61dc9c uiapplicationmain 47 fram                           0x10007acb0 main (main.m:14) 48 libdyld.dylib                  0x18537159c start #0 crashed: com.twitter.crashlytics.ios.exception sigabrt abort 0x0000000185481014  raw text 0   fram     clsprocessrecordallthreads + 4296576900 1   fram     clsprocessrecordallthreads + 4296576900 2   fram     clsprocessrecordallthreads + 4296576576 3   fram     clshandler + 4296511396 4   fram     __clsexceptionrecord_block_invoke + 4296568704 5   libdispatch.dylib    _dispatch_client_callout + 16 6   libdispatch.dylib    _dispatch_barrier_sync_f_invoke + 84 7   fram     clsexceptionrecord + 4296567332 8   fram     clsexceptionrecordnsexception + 4296566872 9   fram     clsterminatehandler() + 4296565880 10 libc++abi.dylib  std::__terminate(void (*)()) + 16 15 uikit    uiapplicationmain + 208 16  fram     main.m line 14 main 17  libdyld.dylib    start + 4


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