title: getting error while getting channel name in twilio. Here i am implementing one to one chat
body: <p>I am getting always error while checking channel name like</p>
  
  <pre><code>mChatClient.getChannels().getChannel("one", new CallbackListener&lt;Channel&gt;() {
          @Override
          public void onSuccess(Channel channel) {
              if (channel != null) {
                  joinChannel(channel);
              } else {
                  mChatClient.getChannels().createChannel("one",
                          Channel.ChannelType.PUBLIC, new CallbackListener&lt;Channel&gt;() {
                              @Override
                              public void onSuccess(Channel channel) {
                                  if (channel != null) {
                                      joinChannel(channel);
                                  }
                              }
  
                              @Override
                              public void onError(ErrorInfo errorInfo) {
                                  Log.e(TAG,"Error creating channel: " + errorInfo.getErrorText());
                              }
                          });
              }
          }
  
          @Override
          public void onError(ErrorInfo errorInfo) {
              Log.e(TAG,"Error retrieving channel: " + errorInfo.getErrorText());
          }
  
      });
  </code></pre>
  
  <p>in this always coming to error block only. May i know what is the wrong?</p>