Pumpjack shuts off after server restart.

Pump jacks will shut off after server restart and I have errors in my console.

Failed to call hook 'OnQuarryConsumeFuel' on plugin 'QuarryLevels v2.0.1' (NullReferenceException: Object reference not set to an instance of an object)
  at Oxide.Plugins.QuarryLevels.OnQuarryConsumeFuel (MiningQuarry quarry, Item item) [0x00038] in <5447602d5bd946f48d17455fc2b67cf6>:0 
  at Oxide.Plugins.QuarryLevels.DirectCallHook (System.String name, System.Object& ret, System.Object[] args) [0x004c1] in <5447602d5bd946f48d17455fc2b67cf6>:0 
  at Oxide.Plugins.CSharpPlugin.InvokeMethod (Oxide.Core.Plugins.HookMethod method, System.Object[] args) [0x00079] in <795304323ac74a298b8ed190a1dfa739>:0 
  at Oxide.Core.Plugins.CSPlugin.OnCallHook (System.String name, System.Object[] args) [0x000de] in <beb2b64691c64e2b95b99491bd85442c>:0 
  at Oxide.Core.Plugins.Plugin.CallHook (System.String hook, System.Object[] args) [0x00060] in <beb2b64691c64e2b95b99491bd85442c>:0 
Failed to call hook 'OnQuarryConsumeFuel' on plugin 'QuarryLevels v2.0.1' (NullReferenceException: Object reference not set to an instance of an object)
  at Oxide.Plugins.QuarryLevels.OnQuarryConsumeFuel (MiningQuarry quarry, Item item) [0x00038] in <5447602d5bd946f48d17455fc2b67cf6>:0 
  at Oxide.Plugins.QuarryLevels.DirectCallHook (System.String name, System.Object& ret, System.Object[] args) [0x004c1] in <5447602d5bd946f48d17455fc2b67cf6>:0 
  at Oxide.Plugins.CSharpPlugin.InvokeMethod (Oxide.Core.Plugins.HookMethod method, System.Object[] args) [0x00079] in <795304323ac74a298b8ed190a1dfa739>:0 
  at Oxide.Core.Plugins.CSPlugin.OnCallHook (System.String name, System.Object[] args) [0x000de] in <beb2b64691c64e2b95b99491bd85442c>:0 
  at Oxide.Core.Plugins.Plugin.CallHook (System.String hook, System.Object[] args) [0x00060] in <beb2b64691c64e2b95b99491bd85442c>:0 
Failed to call hook 'OnQuarryConsumeFuel' on plugin 'QuarryLevels v2.0.1' (NullReferenceException: Object reference not set to an instance of an object)
  at Oxide.Plugins.QuarryLevels.OnQuarryConsumeFuel (MiningQuarry quarry, Item item) [0x00038] in <5447602d5bd946f48d17455fc2b67cf6>:0 
  at Oxide.Plugins.QuarryLevels.DirectCallHook (System.String name, System.Object& ret, System.Object[] args) [0x004c1] in <5447602d5bd946f48d17455fc2b67cf6>:0 
  at Oxide.Plugins.CSharpPlugin.InvokeMethod (Oxide.Core.Plugins.HookMethod method, System.Object[] args) [0x00079] in <795304323ac74a298b8ed190a1dfa739>:0 
  at Oxide.Core.Plugins.CSPlugin.OnCallHook (System.String name, System.Object[] args) [0x000de] in <beb2b64691c64e2b95b99491bd85442c>:0 
  at Oxide.Core.Plugins.Plugin.CallHook (System.String hook, System.Object[] args) [0x00060] in <beb2b64691c64e2b95b99491bd85442c>:0 
    done.