title: Error:Error converting bytecode to dex: Cause: com.android.dex.DexException: Multiple dex files define Lcom/google/android/gms/common/api/zza;
body: <p>I have this error:</p>
  
  <blockquote>
    <p>Error:Error converting bytecode to dex: Cause:
    com.android.dex.DexException: Multiple dex files define
    Lcom/google/android/gms/common/api/zza;</p>
  </blockquote>
  
  <p>I am not getting how to solve this, please help.</p>
  
  <p><img src="https://i.stack.imgur.com/STPOa.jpg" alt="!!"></p>
  
  <p>I don't know whether to include some lib or what</p>