pod install失败

source 'https://github.com/CocoaPods/Specs.git'

platform :ios, '10.0'

use_frameworks!



target 'fercsm_ios' do

pod 'Alamofire', '~> 4.6'

pod 'ArcGIS-Runtime-SDK-iOS', '~> 10.2'

pod 'pop', '~> 1.0'

end