We discovered an issue and will be bringing down the EU servers for maintenance today on Saturday, November 17, 2018 at 1:30 AM CET. We anticipate the maintenance to last approximately 2 hours, concluding around 3:30 AM on Saturday, November 17, 2018. Please note that the estimated length of time for each maintenance is subject to change without notification. Thanks for your patience! What will be unavailable: EU MapleStory game servers. Changes and Updates: Fixing an issue where trying to queue for Bosses would disconnect the player. View on the Official Site