```
ArgumentError - invalid byte sequence in UTF-8
/Library/Ruby/Gems/2.0.0/gems/nanaimo-0.2.3/lib/nanaimo/writer.rb:77:in `==='
/Library/Ruby/Gems/2.0.0/gems/nanaimo-0.2.3/lib/nanaimo/writer.rb:77:in `write_object'
/Library/Ruby/Gems/2.0.0/gems/nanaimo-0.2.3/lib/nanaimo/writer/xml.rb:33:in `write_object'
/Library/Ruby/Gems/2.0.0/gems/nanaimo-0.2.3/lib/nanaimo/writer/xml.rb:132:in `write_dictionary_key_value_pair'
/Library/Ruby/Gems/2.0.0/gems/nanaimo-0.2.3/lib/nanaimo/writer.rb:149:in `block in write_dictionary'
/Library/Ruby/Gems/2.0.0/gems/nanaimo-0.2.3/lib/nanaimo/writer.rb:148:in `each'
/Library/Ruby/Gems/2.0.0/gems/nanaimo-0.2.3/lib/nanaimo/writer.rb:148:in `write_dictionary'
/Library/Ruby/Gems/2.0.0/gems/nanaimo-0.2.3/lib/nanaimo/writer/xml.rb:112:in `write_dictionary'
/Library/Ruby/Gems/2.0.0/gems/nanaimo-0.2.3/lib/nanaimo/writer.rb:76:in `write_object'
/Library/Ruby/Gems/2.0.0/gems/nanaimo-0.2.3/lib/nanaimo/writer/xml.rb:33:in `write_object'
/Library/Ruby/Gems/2.0.0/gems/nanaimo-0.2.3/lib/nanaimo/writer/xml.rb:101:in `write_array_element'
/Library/Ruby/Gems/2.0.0/gems/nanaimo-0.2.3/lib/nanaimo/writer.rb:121:in `block in write_array'
/Library/Ruby/Gems/2.0.0/gems/nanaimo-0.2.3/lib/nanaimo/writer.rb:120:in `each'
/Library/Ruby/Gems/2.0.0/gems/nanaimo-0.2.3/lib/nanaimo/writer.rb:120:in `write_array'
/Library/Ruby/Gems/2.0.0/gems/nanaimo-0.2.3/lib/nanaimo/writer/xml.rb:84:in `write_array'
/Library/Ruby/Gems/2.0.0/gems/nanaimo-0.2.3/lib/nanaimo/writer.rb:74:in `write_object'
/Library/Ruby/Gems/2.0.0/gems/nanaimo-0.2.3/lib/nanaimo/writer/xml.rb:33:in `write_object'
/Library/Ruby/Gems/2.0.0/gems/nanaimo-0.2.3/lib/nanaimo/writer/xml.rb:132:in `write_dictionary_key_value_pair'
/Library/Ruby/Gems/2.0.0/gems/nanaimo-0.2.3/lib/nanaimo/writer.rb:149:in `block in write_dictionary'
/Library/Ruby/Gems/2.0.0/gems/nanaimo-0.2.3/lib/nanaimo/writer.rb:148:in `each'
/Library/Ruby/Gems/2.0.0/gems/nanaimo-0.2.3/lib/nanaimo/writer.rb:148:in `write_dictionary'
/Library/Ruby/Gems/2.0.0/gems/nanaimo-0.2.3/lib/nanaimo/writer/xml.rb:112:in `write_dictionary'
/Library/Ruby/Gems/2.0.0/gems/nanaimo-0.2.3/lib/nanaimo/writer.rb:76:in `write_object'
/Library/Ruby/Gems/2.0.0/gems/nanaimo-0.2.3/lib/nanaimo/writer/xml.rb:33:in `write_object'
/Library/Ruby/Gems/2.0.0/gems/nanaimo-0.2.3/lib/nanaimo/writer/xml.rb:13:in `write'
/Library/Ruby/Gems/2.0.0/gems/xcodeproj-1.4.2/lib/xcodeproj/plist.rb:55:in `block in write_to_path'
/Library/Ruby/Gems/2.0.0/gems/xcodeproj-1.4.2/lib/xcodeproj/plist.rb:53:in `open'
/Library/Ruby/Gems/2.0.0/gems/xcodeproj-1.4.2/lib/xcodeproj/plist.rb:53:in `write_to_path'
/Library/Ruby/Gems/2.0.0/gems/cocoapods-1.2.0/lib/cocoapods/generator/acknowledgements/plist.rb:9:in `save_as'
/Library/Ruby/Gems/2.0.0/gems/cocoapods-1.2.0/lib/cocoapods/installer/xcode/pods_project_generator/aggregate_target_installer.rb:187:in `block in create_acknowledgements'
/Library/Ruby/Gems/2.0.0/gems/cocoapods-1.2.0/lib/cocoapods/installer/xcode/pods_project_generator/aggregate_target_installer.rb:183:in `each'
/Library/Ruby/Gems/2.0.0/gems/cocoapods-1.2.0/lib/cocoapods/installer/xcode/pods_project_generator/aggregate_target_installer.rb:183:in `create_acknowledgements'
/Library/Ruby/Gems/2.0.0/gems/cocoapods-1.2.0/lib/cocoapods/installer/xcode/pods_project_generator/aggregate_target_installer.rb:33:in `block in install!'
/Library/Ruby/Gems/2.0.0/gems/cocoapods-1.2.0/lib/cocoapods/user_interface.rb:142:in `message'
/Library/Ruby/Gems/2.0.0/gems/cocoapods-1.2.0/lib/cocoapods/installer/xcode/pods_project_generator/aggregate_target_installer.rb:14:in `install!'
/Library/Ruby/Gems/2.0.0/gems/cocoapods-1.2.0/lib/cocoapods/installer/xcode/pods_project_generator.rb:160:in `block (2 levels) in install_libraries'
/Library/Ruby/Gems/2.0.0/gems/cocoapods-1.2.0/lib/cocoapods/installer/xcode/pods_project_generator.rb:158:in `each'
/Library/Ruby/Gems/2.0.0/gems/cocoapods-1.2.0/lib/cocoapods/installer/xcode/pods_project_generator.rb:158:in `block in install_libraries'
/Library/Ruby/Gems/2.0.0/gems/cocoapods-1.2.0/lib/cocoapods/user_interface.rb:142:in `message'
/Library/Ruby/Gems/2.0.0/gems/cocoapods-1.2.0/lib/cocoapods/installer/xcode/pods_project_generator.rb:152:in `install_libraries'
/Library/Ruby/Gems/2.0.0/gems/cocoapods-1.2.0/lib/cocoapods/installer/xcode/pods_project_generator.rb:64:in `generate!'
/Library/Ruby/Gems/2.0.0/gems/cocoapods-1.2.0/lib/cocoapods/installer.rb:179:in `block in generate_pods_project'
/Library/Ruby/Gems/2.0.0/gems/cocoapods-1.2.0/lib/cocoapods/user_interface.rb:64:in `section'
/Library/Ruby/Gems/2.0.0/gems/cocoapods-1.2.0/lib/cocoapods/installer.rb:178:in `generate_pods_project'
/Library/Ruby/Gems/2.0.0/gems/cocoapods-1.2.0/lib/cocoapods/installer.rb:115:in `install!'
/Library/Ruby/Gems/2.0.0/gems/cocoapods-1.2.0/lib/cocoapods/command/install.rb:37:in `run'
/Library/Ruby/Gems/2.0.0/gems/claide-1.0.1/lib/claide/command.rb:334:in `run'
/Library/Ruby/Gems/2.0.0/gems/cocoapods-1.2.0/lib/cocoapods/command.rb:52:in `run'
/Library/Ruby/Gems/2.0.0/gems/cocoapods-1.2.0/bin/pod:55:in `<top (required)>'
/usr/local/bin/pod:23:in `load'
/usr/local/bin/pod:23:in `<main>'
```


――― TEMPLATE END ―――――――――――――――――――――――――――――――――――――――――――――――――― ――――――――――――――


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mohameds-mbp:Lightstreamer-example-Chat-client-ios-swift-master tournedo2003$