Console http 504 error.

https://gist.github.com/ProsperCraft/2ad333882eb37bc3813c0e12ccc2f0dc

[10:07:38] [Thread-553/INFO] [FML]: SRV Exception when calling statistic service: [10:07:38] [Thread-553/INFO] [FML]: SRV java.io.IOException: Server returned HTTP response code: 504 for URL: http://millenaire.org/php/mlnuse.php?uid=3295008078038136832&mlnversion=6.2.6-2&mode=s&lang=fr&backuplang=en&nbplayers=18&os=Linux&totalexp=6784&advancementssurvival=firstcontact:true,cresus:true,summoningwand:false,thequest:true,maitreapenser:false,explorer:true,marcopolo:true,magellan:true,selfdefense:true,pantheon:true,darkside:true,scipio:false,attila:false,cheers:false,hired:false,masterfarmer:false,friendindeed:true,rep_norman:false,rep_indian:false,rep_mayan:false,rep_japanese:false,rep_byzantines:false,complete_norman:false,complete_indian:false,complete_mayan:false,complete_japanese:false,complete_byzantines:false,leader_norman:false,leader_indian:false,leader_mayan:false,leader_japanese:false,leader_byzantines:false,wq_indian:false,wq_norman:false,wq_mayan:false,puja:false,sacrifice:false&advancementscreative=firstcontact:false,cresus:false,summoningwand:false,thequest:false,maitreapenser:false,explorer:false,marcopolo:false,magellan:false,selfdefense:false,pantheon:false,darkside:false,scipio:false,attila:false,cheers:false,hired:false,masterfarmer:false,friendindeed:false,rep_norman:false,rep_indian:false,rep_mayan:false,rep_japanese:false,rep_byzantines:false,complete_norman:false,complete_indian:false,complete_mayan:false,complete_japanese:false,complete_byzantines:false,leader_norman:false,leader_indian:false,leader_mayan:false,leader_japanese:false,leader_byzantines:false,wq_indian:false,wq_norman:false,wq_mayan:false,puja:false,sacrifice:false&validation=346191202 at sun.net.www.protocol.http.HttpURLConnection.getInputStream0(HttpURLConnection.java:1894) at sun.net.www.protocol.http.HttpURLConnection.access$200(HttpURLConnection.java:91) at sun.net.www.protocol.http.HttpURLConnection$9.run(HttpURLConnection.java:1484) at sun.net.www.protocol.http.HttpURLConnection$9.run(HttpURLConnection.java:1482) at java.security.AccessController.doPrivileged(Native Method) at java.security.AccessController.doPrivilegedWithCombiner(AccessController.java:782) at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1481) at java.net.URL.openStream(URL.java:1045) at org.millenaire.common.utilities.MillCommonUtilities$LogThread.run(MillCommonUtilities.java:122)