title: java.lang.ClassNotFoundException: Didn't find class "kotlinx.coroutines.experimental.Deferred"
body: <p>I am facing this issue when using coroutine with retrofit, can you please let me know why i am getting this error</p>
  
  <p><strong>java.lang.ClassNotFoundException: Didn't find class "kotlinx.coroutines.experimental.Deferred" on path: DexPathList[[zip file "/data/app/com.coroutines.retrofit.kotlin-1/base.apk"],nativeLibraryDirectories=[/vendor/lib64, /system/lib64]]</strong></p>
  
  <p>while i am using the below dependencies,</p>
  
  <p>implementation 'com.jakewharton.retrofit:retrofit2-kotlin-coroutines-experimental-adapter:1.0.0'</p>
  
  <p>implementation 'org.jetbrains.kotlinx:kotlinx-coroutines-core:1.0.1'
  implementation 'org.jetbrains.kotlinx:kotlinx-coroutines-android:1.0.1'</p>
  
  <p>and the kotlin version is :
  ext.kotlin_version = '1.3.10'</p>