Error when send message

[fbvictorhugo]

@blazsolar error when try send message to Hipchat, missing parameters ?

17:46:34.931 [DEBUG] [sun.net.www.protocol.http.HttpURLConnection] sun.net.www.MessageHeader@2b1a901d8 pairs: {POST /v1/rooms/message?format=json&auth_token=MY_TOKEN_HERE HTTP/1.1: null}

:app:testMessage
java.io.IOException: Server returned HTTP response code: 400 for URL: https://api.hipchat.com/v1/rooms/message?format=json&auth_token=MY_TOKEN_HERE
        at sun.net.www.protocol.http.HttpURLConnection.getInputStream0(HttpURLConnection.java:1838)
        at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1439)
        at sun.net.www.protocol.https.HttpsURLConnectionImpl.getInputStream(HttpsURLConnectionImpl.java:254)
        at com.github.hipchat.api.Room.sendMessage(Room.java:251)
        at com.github.hipchat.api.Room$sendMessage$0.call(Unknown Source)
        at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCall(CallSiteArray.java:45)
        at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:108)
        at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:128)
        at com.github.blazsolar.gradle.hipchat.tasks.SendMessageTask.send(SendMessageTask.groovy:70)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:483)