Please update your Mount & Blade Warband to v1.134 patch now.

features:
• Push your gaming skill to the max, in a multiplayer player experience wherein teamwork is paramount, timing is crucial, and skill is everything.
• Massive 64 player battles in a multitude of modes including Deathmatch, Team Deathmatch, Capture the Flag, Conquest, Battle, and Siege.
• Best your foes with realistic physics based combat, that takes into account momentum, attack timing, and position.
• Master the feeling of dozens of weapons and conquer all with true skill.
• Seek adventure alone and get lost in addictive empire building bliss or equally satisfying banditry.
• There are no limits in Calradia, your story and gameplay experiences are truly unique.
• Be ambitious and claim the throne of Calradia, appoint vassals to manage lands, tax villagers, marry for power, fight for honor or cold expansionism.