I'm seeing the same error at random times. I checked to see if it was player-placed quarries or the default ones that spawn on the map, but it doesn't appear to be consistent with either one.

Failed to call hook 'CanLootEntity' on plugin 'QuarryLocks v1.2.1' (NullReferenceException: Object reference not set to an instance of an object)
  at Oxide.Plugins.QuarryLocks.CanLootEntity (BasePlayer player, ResourceExtractorFuelStorage container) [0x00007] in <beeaab0e645d4802b1e2cdd9e982e646>:0

  at Oxide.Plugins.QuarryLocks.DirectCallHook (System.String name, System.Object& ret, System.Object[] args) [0x000f6] in <beeaab0e645d4802b1e2cdd9e982e646>:0

  at Oxide.Plugins.CSharpPlugin.InvokeMethod (Oxide.Core.Plugins.HookMethod method, System.Object[] args) [0x00079] in <60c318df79ed41688ea59335e48d61ad>:0

  at Oxide.Core.Plugins.CSPlugin.OnCallHook (System.String name, System.Object[] args) [0x000d8] in <50629aa0e75d4126b345d8d9d64da28d>:0

  at Oxide.Core.Plugins.Plugin.CallHook (System.String hook, System.Object[] args) [0x00060] in <50629aa0e75d4126b345d8d9d64da28d>:0

Failed to call hook 'CanLootEntity' on plugin 'QuarryLocks v1.2.1' (NullReferenceException: Object reference not set to an instance of an object) at Oxide.Plugins.QuarryLocks.CanLootEntity (BasePlayer player, ResourceExtractorFuelStorage container) [0x00007] in :0 at Oxide.Plugins.QuarryLocks.DirectCallHook (System.String name, System.Object& ret, System.Object[] args) [0x000f6] in :0 at Oxide.Plugins.CSharpPlugin.InvokeMethod (Oxide.Core.Plugins.HookMethod method, System.Object[] args) [0x00079] in <60c318df79ed41688ea59335e48d61ad>:0 8kb/s in, 103kb/s out at Oxide.Core.Plugins.CSPlugin.OnCallHook (System.String name, System.Object[] args) [0x000d8] in <50629aa0e75d4126b345d8d9d64da28d>:0 at Oxide.Core.Plugins.Plugin.CallHook (System.String hook, System.Object[] args) [0x00060] in <50629aa0e75d4126b345d8d9d64da28d>:0

any fix for this yet i keep getting this 

Failed to call hook 'CanLootEntity' on plugin 'QuarryLocks v1.2.1' (NullReferenceException: Object reference not set to an instance of an object)

at Oxide.Plugins.QuarryLocks.CanLootEntity (BasePlayer player, ResourceExtractorFuelStorage container) [0x00007] in <c0ecc775099f42c8be79ec957e4b3e22>:0

at Oxide.Plugins.QuarryLocks.DirectCallHook (System.String name, System.Object& ret, System.Object[] args) [0x000f6] in <c0ecc775099f42c8be79ec957e4b3e22>:0

at Oxide.Plugins.CSharpPlugin.InvokeMethod (Oxide.Core.Plugins.HookMethod method, System.Object[] args) [0x00079] in <e23ba2c0f246426296d81c842cbda3af>:0

at Oxide.Core.Plugins.CSPlugin.OnCallHook (System.String name, System.Object[] args) [0x000d8] in <46ff2b534abb4b35952608167523b7ec>:0

at Oxide.Core.Plugins.Plugin.CallHook (System.String hook, System.Object[] args) [0x00060] in <46ff2b534abb4b35952608167523b7ec>:0

Same issue here. :(

Failed to call hook 'CanLootEntity' on plugin 'QuarryLocks v1.2.1' (NullReferenceException: Object reference not set to an instance of an object)
  at Oxide.Plugins.QuarryLocks.CanLootEntity (BasePlayer player, ResourceExtractorFuelStorage container) [0x00007] in <679a55f77c3e491a80ca953a4fcd2fa8>:0

  at Oxide.Plugins.QuarryLocks.DirectCallHook (System.String name, System.Object& ret, System.Object[] args) [0x000f6] in <679a55f77c3e491a80ca953a4fcd2fa8>:0

  at Oxide.Plugins.CSharpPlugin.InvokeMethod (Oxide.Core.Plugins.HookMethod method, System.Object[] args) [0x00079] in <09575a60985045248bcb43b20faeeb99>:0

  at Oxide.Core.Plugins.CSPlugin.OnCallHook (System.String name, System.Object[] args) [0x000d8] in <bae5f1223fce49c493b01571c99dce02>:0

  at Oxide.Core.Plugins.Plugin.CallHook (System.String hook, System.Object[] args) [0x00060] in <bae5f1223fce49c493b01571c99dce02>:0

Failed to call hook 'CanLootEntity' on plugin 'QuarryLocks v1.2.1' (NullReferenceException: Object reference not set to an instance of an object)
  at Oxide.Plugins.QuarryLocks.CanLootEntity (BasePlayer player, ResourceExtractorFuelStorage container) [0x00007] in <679a55f77c3e491a80ca953a4fcd2fa8>:0

  at Oxide.Plugins.QuarryLocks.DirectCallHook (System.String name, System.Object& ret, System.Object[] args) [0x000f6] in <679a55f77c3e491a80ca953a4fcd2fa8>:0

  at Oxide.Plugins.CSharpPlugin.InvokeMethod (Oxide.Core.Plugins.HookMethod method, System.Object[] args) [0x00079] in <09575a60985045248bcb43b20faeeb99>:0

  at Oxide.Core.Plugins.CSPlugin.OnCallHook (System.String name, System.Object[] args) [0x000d8] in <bae5f1223fce49c493b01571c99dce02>:0

  at Oxide.Core.Plugins.Plugin.CallHook (System.String hook, System.Object[] args) [0x00060] in <bae5f1223fce49c493b01571c99dce02>:0

Failed to call hook 'CanLootEntity' on plugin 'QuarryLocks v1.2.1' (NullReferenceException: Object reference not set to an instance of an object)
  at Oxide.Plugins.QuarryLocks.CanLootEntity (BasePlayer player, ResourceExtractorFuelStorage container) [0x00007] in <679a55f77c3e491a80ca953a4fcd2fa8>:0

  at Oxide.Plugins.QuarryLocks.DirectCallHook (System.String name, System.Object& ret, System.Object[] args) [0x000f6] in <679a55f77c3e491a80ca953a4fcd2fa8>:0

  at Oxide.Plugins.CSharpPlugin.InvokeMethod (Oxide.Core.Plugins.HookMethod method, System.Object[] args) [0x00079] in <09575a60985045248bcb43b20faeeb99>:0

  at Oxide.Core.Plugins.CSPlugin.OnCallHook (System.String name, System.Object[] args) [0x000d8] in <bae5f1223fce49c493b01571c99dce02>:0

  at Oxide.Core.Plugins.Plugin.CallHook (System.String hook, System.Object[] args) [0x00060] in <bae5f1223fce49c493b01571c99dce02>:0

Failed to call hook 'CanLootEntity' on plugin 'QuarryLocks v1.2.1' (NullReferenceException: Object reference not set to an instance of an object)
  at Oxide.Plugins.QuarryLocks.CanLootEntity (BasePlayer player, ResourceExtractorFuelStorage container) [0x00007] in <679a55f77c3e491a80ca953a4fcd2fa8>:0

  at Oxide.Plugins.QuarryLocks.DirectCallHook (System.String name, System.Object& ret, System.Object[] args) [0x000f6] in <679a55f77c3e491a80ca953a4fcd2fa8>:0

  at Oxide.Plugins.CSharpPlugin.InvokeMethod (Oxide.Core.Plugins.HookMethod method, System.Object[] args) [0x00079] in <09575a60985045248bcb43b20faeeb99>:0

  at Oxide.Core.Plugins.CSPlugin.OnCallHook (System.String name, System.Object[] args) [0x000d8] in <bae5f1223fce49c493b01571c99dce02>:0

  at Oxide.Core.Plugins.Plugin.CallHook (System.String hook, System.Object[] args) [0x00060] in <bae5f1223fce49c493b01571c99dce02>:0

Gibt es ein Update?

Please let me know if the problem continues to occur in the latest update.

| Failed to call hook 'CanLootEntity' on plugin 'QuarryLocks v1.3.1' (NullReferenceException: Object reference not set to an instance of an object)

at Oxide.Plugins.QuarryLocks.CanLootEntity (BasePlayer player, ResourceExtractorFuelStorage container) [0x0003c] in <b58ec8ba87f44f90ad7ba3bb8d4e847d>:0

at Oxide.Plugins.QuarryLocks.DirectCallHook (System.String name, System.Object& ret, System.Object[] args) [0x0015e] in <b58ec8ba87f44f90ad7ba3bb8d4e847d>:0

at Oxide.Plugins.CSharpPlugin.InvokeMethod (Oxide.Core.Plugins.HookMethod method, System.Object[] args) [0x00079] in <09575a60985045248bcb43b20faeeb99>:0

at Oxide.Core.Plugins.CSPlugin.OnCallHook (System.String name, System.Object[] args) [0x000d8] in <d5f57e12edfe4fa0b5c5dbdd9b51eff8>:0

at Oxide.Core.Plugins.Plugin.CallHook (System.String hook, System.Object[] args) [0x00060] in <d5f57e12edfe4fa0b5c5dbdd9b51eff8>:0

It continues

Failed to call hook 'CanLootEntity' on plugin 'QuarryLocks v1.3.1' (NullReferenceException: Object reference not set to an instance of an object)
  at Oxide.Plugins.QuarryLocks.CanLootEntity (BasePlayer player, ResourceExtractorFuelStorage container) [0x0003c] in <345d831f9bca477d88b6b982f4ec516b>:0

  at Oxide.Plugins.QuarryLocks.DirectCallHook (System.String name, System.Object& ret, System.Object[] args) [0x0015e] in <345d831f9bca477d88b6b982f4ec516b>:0

  at Oxide.Plugins.CSharpPlugin.InvokeMethod (Oxide.Core.Plugins.HookMethod method, System.Object[] args) [0x00079] in <09575a60985045248bcb43b20faeeb99>:0

  at Oxide.Core.Plugins.CSPlugin.OnCallHook (System.String name, System.Object[] args) [0x000d8] in <d5f57e12edfe4fa0b5c5dbdd9b51eff8>:0

  at Oxide.Core.Plugins.Plugin.CallHook (System.String hook, System.Object[] args) [0x00060] in <d5f57e12edfe4fa0b5c5dbdd9b51eff8>:0

After today's update

Failed to call hook 'CanLootEntity' on plugin 'QuarryLocks v1.3.2' (NullReferenceException: Object reference not set to an instance of an object)
  at Oxide.Plugins.QuarryLocks.CanLootEntity (BasePlayer player, ResourceExtractorFuelStorage container) [0x00049] in <8d5f5c48581a448faffea46944c41ea9>:0

  at Oxide.Plugins.QuarryLocks.DirectCallHook (System.String name, System.Object& ret, System.Object[] args) [0x0015e] in <8d5f5c48581a448faffea46944c41ea9>:0

  at Oxide.Plugins.CSharpPlugin.InvokeMethod (Oxide.Core.Plugins.HookMethod method, System.Object[] args) [0x00079] in <ccbecb1690ac40048b5b01f4ad263c1c>:0

  at Oxide.Core.Plugins.CSPlugin.OnCallHook (System.String name, System.Object[] args) [0x000d8] in <157a94ee66ab4a7991faecd1eb84be3b>:0

  at Oxide.Core.Plugins.Plugin.CallHook (System.String hook, System.Object[] args) [0x00060] in <157a94ee66ab4a7991faecd1eb84be3b>:0