14.6.2023 16:38:28 [Server Fatal] System.NullReferenceException: Object reference not set to an instance of an object.
   at TeleporatationRunes.ItemRune.OnHeldInteractStep(Single secondsUsed, ItemSlot slot, EntityAgent byEntity, BlockSelection blockSel, EntitySelection entitySel) in D:\Projects\Vintage Story Mods\Teleportation Runes\vintage-story-tp-runes\src\Item\ItemRune.cs:line 128
   at Vintagestory.API.Common.CollectibleObject.OnHeldUseStep(Single secondsPassed, ItemSlot slot, EntityAgent byEntity, BlockSelection blockSel, EntitySelection entitySel) in C:\Games\Vintagestory\devnet6\VintagestoryApi\Common\Collectible\Collectible.cs:line 1046
   at Vintagestory.Server.ServerSystemInventory.callOnUsing(ItemSlot slot, ServerPlayer player, BlockSelection blockSel, EntitySelection entitySel, Single& secondsPassed, Boolean callStop) in C:\Games\Vintagestory\devnet6\VintagestoryLib\Server\Systems\Inventory.cs:line 508
   at Vintagestory.Server.ServerSystemInventory.OnUsingTick(Single dt) in C:\Games\Vintagestory\devnet6\VintagestoryLib\Server\Systems\Inventory.cs:line 129
   at Vintagestory.Common.EventManager.TriggerGameTick(Int64 ellapsedMilliseconds, IWorldAccessor world) in C:\Games\Vintagestory\devnet6\VintagestoryLib\Common\EventManager.cs:line 59
   at Vintagestory.Server.CoreServerEventManager.TriggerGameTick(Int64 ellapsedMilliseconds, IWorldAccessor world) in C:\Games\Vintagestory\devnet6\VintagestoryLib\Server\ServerEventManager.cs:line 124
   at Vintagestory.Server.ServerMain.Process() in C:\Games\Vintagestory\devnet6\VintagestoryLib\Server\ServerMain.cs:line 837