Exception While Calling Next Tixk

Exception while calling NextTick callback (NullReferenceException: Object reference not set to an instance of an object) at Oxide.Plugins.RaidProtection+ProtectedEntity.get_FounderUserId () [0x00006] in <2aed0b6af59b4315a3984b24f174aa83>:0 at Oxide.Plugins.RaidProtection+ProtectedEntity.get_HasFounder () [0x00000] in <2aed0b6af59b4315a3984b24f174aa83>:0 at Oxide.Plugins.RaidProtection+ProtectedCupboardManager+<>c__DisplayClass8_0.b__0 (Oxide.Plugins.RaidProtection+ProtectedEntity x) [0x00000] in <2aed0b6af59b4315a3984b24f174aa83>:0 at System.Linq.Enumerable+WhereEnumerableIterator`1[TSource].ToList () [0x0001b] in :0 at System.Linq.Enumerable.ToList[TSource] (System.Collections.Generic.IEnumerable`1[T] source) [0x0001f] in :0 at Oxide.Plugins.RaidProtection+ProtectedCupboardManager.GetCupboardsForFounder (System.UInt64 userId) [0x00028] in <2aed0b6af59b4315a3984b24f174aa83>:0 at Oxide.Plugins.RaidProtection+<>c__DisplayClass175_0.b__0 () [0x00018] in <2aed0b6af59b4315a3984b24f174aa83>:0 at Oxide.Core.OxideMod.OnFrame (System.Single delta) [0x00051] in :0