11.7.2021 14:38:58 [Event] Launching server...
11.7.2021 14:38:58 [Event] Server v1.15.0-rc.2, network v1.15.0-pre.7, api v1.7.0
11.7.2021 14:38:58 [Event] Loading configuration...
11.7.2021 14:38:58 [Event] Loading assets...
11.7.2021 14:38:59 [Event] Loading save game...
11.7.2021 14:39:11 [Event] 7 metal alloys loaded
11.7.2021 14:39:11 [Event] 7 cooking recipes loaded
11.7.2021 14:39:11 [Event] 409 crafting recipes loaded from 189 files
11.7.2021 14:39:11 [Event] 197 smithing recipes loaded
11.7.2021 14:39:11 [Event] 53 clay forming recipes loaded
11.7.2021 14:39:11 [Event] 36 knapping recipes loaded
11.7.2021 14:39:11 [Event] 130 barrel recipes loaded
11.7.2021 14:39:13 [Event] Loading 7x7x8 spawn chunks...
11.7.2021 14:39:13 [Event] 0% (49 in queue)
11.7.2021 14:39:15 [Event] 0% (49 in queue)
11.7.2021 14:39:16 [Event] 0% (81 in queue)
11.7.2021 14:39:18 [Event] 0% (119 in queue)
11.7.2021 14:39:19 [Event] 0% (157 in queue)
11.7.2021 14:39:21 [Event] 0% (194 in queue)
11.7.2021 14:39:22 [Event] Begin save game ticking...
11.7.2021 14:39:22 [Event] Singleplayer Server now running!
11.7.2021 14:39:31 [Event] Lisabet 127.0.0.1 joins.
11.7.2021 14:39:59 [Fatal] System.NullReferenceException: Object reference not set to an instance of an object.
   at XSkills.XSkillsPlayerBehavior.OnDamage(Single damage, DamageSource dmgSource)
   at Vintagestory.GameContent.EntityBehaviorHealth.OnEntityReceiveDamage(DamageSource damageSource, Single damage)
   at Vintagestory.API.Common.Entities.Entity.ReceiveDamage(DamageSource damageSource, Single damage)
   at Vintagestory.GameContent.AiTaskMeleeAttack.ContinueExecute(Single dt)
   at Vintagestory.GameContent.AiTaskManager.OnGameTick(Single dt)
   at Vintagestory.GameContent.EntityBehaviorTaskAI.OnGameTick(Single deltaTime)
   at Vintagestory.API.Common.Entities.Entity.OnGameTick(Single dt)
   at Vintagestory.API.Common.EntityAgent.OnGameTick(Single dt)
   at Vintagestory.Server.ServerSystemEntitySimulation.TickEntities(Single dt)
   at Vintagestory.Server.ServerSystemEntitySimulation.OnServerTick(Single dt)
   at Vintagestory.Server.ServerMain.Process()
11.7.2021 14:40:02 [Fatal] System.NullReferenceException: Object reference not set to an instance of an object.
   at XSkills.XSkillsPlayerBehavior.OnDamage(Single damage, DamageSource dmgSource)
   at Vintagestory.GameContent.EntityBehaviorHealth.OnEntityReceiveDamage(DamageSource damageSource, Single damage)
   at Vintagestory.API.Common.Entities.Entity.ReceiveDamage(DamageSource damageSource, Single damage)
   at Vintagestory.GameContent.AiTaskMeleeAttack.ContinueExecute(Single dt)
   at Vintagestory.GameContent.AiTaskManager.OnGameTick(Single dt)
   at Vintagestory.GameContent.EntityBehaviorTaskAI.OnGameTick(Single deltaTime)
   at Vintagestory.API.Common.Entities.Entity.OnGameTick(Single dt)
   at Vintagestory.API.Common.EntityAgent.OnGameTick(Single dt)
   at Vintagestory.Server.ServerSystemEntitySimulation.TickEntities(Single dt)
   at Vintagestory.Server.ServerSystemEntitySimulation.OnServerTick(Single dt)
   at Vintagestory.Server.ServerMain.Process()
11.7.2021 14:40:11 [Event] Mods and systems notified, now saving everything...
11.7.2021 14:40:11 [Event] Saved savegamedata...
11.7.2021 14:40:11 [Event] Saved player world data...
11.7.2021 14:40:11 [Event] Saved map regions...
11.7.2021 14:40:12 [Event] Saved map chunks...
11.7.2021 14:40:12 [Event] Saved 300 chunks...
11.7.2021 14:40:12 [Event] Saved 600 chunks...
11.7.2021 14:40:12 [Event] Saved 900 chunks...
11.7.2021 14:40:12 [Event] Saved 1200 chunks...
11.7.2021 14:40:12 [Event] Saved 1500 chunks...
11.7.2021 14:40:12 [Event] Saved loaded chunks...
11.7.2021 14:40:12 [Event] Saved 300 generating chunks...
11.7.2021 14:40:12 [Event] Saved 600 generating chunks...
11.7.2021 14:40:12 [Event] Saved 900 generating chunks...
11.7.2021 14:40:13 [Event] Saved 1200 generating chunks...
11.7.2021 14:40:13 [Event] Saved 1500 generating chunks...
11.7.2021 14:40:13 [Event] Saved 1800 generating chunks...
11.7.2021 14:40:13 [Event] Saved 2100 generating chunks...
11.7.2021 14:40:13 [Event] Saved 2400 generating chunks...
11.7.2021 14:40:13 [Event] Saved generating chunks...
11.7.2021 14:40:13 [Event] World saved! Saved 4144 chunks, 518 mapchunks, 16 mapregions.
11.7.2021 14:40:13 [Event] Shutting down 5 server threads... 
11.7.2021 14:40:13 [Event] Killed console thread
11.7.2021 14:40:14 [Event] All threads gracefully shut down
11.7.2021 14:40:14 [Event] Doing last tick...
11.7.2021 14:40:14 [Event] Stopped the server!