When I build project to real device (iPhone 5) everything works fine. When I change target to any simulator I see:
Same configuration of PodFile is running without problems for my friends. It stoped working without resonable reason (i.e. changing podfile or AFNetworking)
my podfile is:
# Networking
pod 'AFNetworking', '~> 2.0'
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-------------------------------- ANSWER --------------------------------
In my case deleting xcode derived data and reset iPhone simulator settings helped
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