They are working on it, if you want to help here is the thread for sync error :

http://www.shadowera.com/showthread.php?4432-Sync-error-report-thread

Read the first post to understand what it...

Every draw are "sync issue" (even when it's not said), i usually got lots of draw when i'm playing via 3G on my iPad, and no problem via wifi...

Are you playing on iPad/iPod, computer or android?