title: App is crashing with Message from debugger: Terminated due to signal 6 in citrus pay integration
body: <p>I am using citrus pay payment gateway  for my app and I am using cocoapods to integrate and I am following the below link to integrate.<a href="https://github.com/citruspay/citruspay-ios-sdk" rel="nofollow noreferrer">https://github.com/citruspay/citruspay-ios-sdk</a></p>
  
  <pre><code>and the pod file is 
  # Uncomment the next line to define a global platform for your project
  source 'https://github.com/CocoaPods/Specs.git'
  # platform :ios, '9.0'
  use_frameworks!
  target 'Lektrify CEM' do
  
   pod 'CitrusPay', '~&gt; 4.1.5'
  
    end
  </code></pre>
  
  <p>the app is crashing showing below error in log.
  dyld: Symbol not found: __swiftEmptyDictionaryStorage
    Referenced from: /Users/skumar/Library/Developer/CoreSimulator/Devices/7EEE6ADA-B880-4BBB-9E1D-8E8608D713F2/data/Containers/Bundle/Application/415005F9-01B7-40EC-A097-59514558A75E/Lektrify CEM.app/Frameworks/CitrusPay.framework/CitrusPay
    Expected in: /Users/skumar/Library/Developer/CoreSimulator/Devices/7EEE6ADA-B880-4BBB-9E1D-8E8608D713F2/data/Containers/Bundle/Application/415005F9-01B7-40EC-A097-59514558A75E/Lektrify CEM.app/Frameworks/libswiftCore.dylib
   in /Users/skumar/Library/Developer/CoreSimulator/Devices/7EEE6ADA-B880-4BBB-9E1D-8E8608D713F2/data/Containers/Bundle/Application/415005F9-01B7-40EC-A097-59514558A75E/Lektrify CEM.app/Frameworks/CitrusPay.framework/CitrusPay
  Message from debugger: Terminated due to signal 6</p>
  
  <p>can so one please help me to solve this problem . thanks for quick responce.</p>