My Rust Server was all running perfectly fine then i added Stack Mod to increase stacks (did not do any changing of stacks) restarted server then 
it decided to not start up no more so i removed the plugin and still did not start so i did a hole fresh wipe of the map/player information and i still get the same issue it will not start

NullReferenceException: Object reference not set to an instance of an object
  at UserPersistance.GetPlayerState (System.UInt64 playerID) [0x00005] in <ebc365040c1a4ac397ca13857a76457b>:0 
  at PlayerStateManager.Get (System.UInt64 playerId) [0x00021] in <ebc365040c1a4ac397ca13857a76457b>:0 
  at BasePlayer.get_State () [0x00013] in <ebc365040c1a4ac397ca13857a76457b>:0 
  at BasePlayer.IsHostile () [0x00000] in <ebc365040c1a4ac397ca13857a76457b>:0 
  at NPCPlayerApex.HostilityConsideration (BasePlayer target) [0x000d5] in <ebc365040c1a4ac397ca13857a76457b>:0 
  at Rust.Ai.BestPlayerHostileBanditAct.Score (Apex.AI.IAIContext context, BasePlayer option) [0x00071] in <ebc365040c1a4ac397ca13857a76457b>:0 
  at Rust.Ai.TargetSelectorPlayer.Evaluate (Rust.Ai.PlayerTargetContext context, System.Collections.Generic.IList`1[T] scorers, BasePlayer[] options, System.Int32 numOptions, System.Boolean allScorersMustScoreAboveZero, BasePlayer& best, System.Single& bestScore, System.Int32& bestIndex, UnityEngine.Vector3& bestLastKnownPosition) [0x0004b] in <ebc365040c1a4ac397ca13857a76457b>:0 
  at Rust.Ai.TargetSelectorPlayer.Execute (Apex.AI.IAIContext context) [0x00011] in <ebc365040c1a4ac397ca13857a76457b>:0 
  at Apex.AI.CompositeAction.Execute (Apex.AI.IAIContext context) [0x0001c] in <7eb0536a8fb34bcc8a790faa9ed09eb8>:0 
  at Apex.AI.Components.UtilityAIClient.Execute () [0x00055] in <7eb0536a8fb34bcc8a790faa9ed09eb8>:0 
  at NPCPlayerApex.TickSensorySystem () [0x000b8] in <ebc365040c1a4ac397ca13857a76457b>:0 
  at NPCPlayerApex.Apex.LoadBalancing.ILoadBalanced.ExecuteUpdate (System.Single deltaTime, System.Single nextInterval) [0x00031] in <ebc365040c1a4ac397ca13857a76457b>:0 
  at Apex.LoadBalancing.LoadBalancedQueue.Update () [0x00095] in <202755f988f04042b9dce0287e399a48>:0 
  at Apex.LoadBalancing.LoadBalancerComponent.Update () [0x00004] in <202755f988f04042b9dce0287e399a48>:0 

NullReferenceException: Object reference not set to an instance of an object
  at Steamworks.SteamInventory.GetDefinitions () [0x00007] in <90744f61766d441189845f2df42d3713>:0 
  at Steamworks.SteamInventory.LoadDefinitions () [0x00000] in <90744f61766d441189845f2df42d3713>:0 
  at Steamworks.SteamInventory.LoadItemDefinitions () [0x00007] in <90744f61766d441189845f2df42d3713>:0 
  at Rust.Platform.Steam.SteamPlatform.RefreshItemDefinitions () [0x00000] in <9839733aba244c37825271cdc693d25e>:0 
  at ServerMgr.UpdateItemDefinitions () [0x0000a] in <ebc365040c1a4ac397ca13857a76457b>:0