s.log(&quot;Creating data channel&quot;);
      createDataChannel(handleId, Janus.dataChanDefaultLabel, null, null);
      Janus.log(&#39;failing here&#39;);
      pluginHandle.pc.onDataChannel = (var channel) {
        Janus.log(
            &quot;Data channel created by Janus:&quot; + channel.toString()); &#47;&#47; FIX ME
        createDataChannel(handleId, &quot;label&quot;, channel, null);
      };
    }

    &#47;&#47; If there&#39;s a new local stream, let&#39;s notify the application
    if (pluginH