Failed to call hook 'FlyCommand' on plugin 'Fly v1.2.1' (NullReferenceException:
 Object reference not set to an instance of an object)
  at Oxide.Plugins.Fly.Ground (.PlayerSession session) [0x00000] in <filename un
known>:0
  at Oxide.Plugins.Fly.SetFlymode (.PlayerSession session, Single speed) [0x0000
0] in <filename unknown>:0
  at Oxide.Plugins.Fly.FlyCommand (.PlayerSession session, System.String command
, System.String[] args) [0x00000] in <filename unknown>:0
  at Oxide.Plugins.Fly.DirectCallHook (System.String name, System.Object& ret, S
ystem.Object[] args) [0x00000] in <filename unknown>:0
  at Oxide.Plugins.CSharpPlugin.InvokeMethod (Oxide.Core.Plugins.HookMethod meth
od, System.Object[] args) [0x00000] in <filename unknown>:0
  at Oxide.Core.Plugins.CSPlugin.OnCallHook (System.String name, System.Object[]
 args) [0x00000] in <filename unknown>:0
  at Oxide.Core.Plugins.Plugin.CallHook (System.String hook, System.Object[] arg
s) [0x00000] in <filename unknown>:0

Good morning, everyone,
I report a major bug on the fly people can connect with the fly without admin rights, we caught a guy in the act!

I immediately unloaded the model the guy died of a fall!

[Error] Failed to call hook 'FlyCommand' on plugin 'Fly v1.2.1' (NullReferenceException: Object reference not set to an instance of an object)
  at Oxide.Plugins.Fly.Ground (.PlayerSession session) [0x00000] in <filename unknown>:0

  at Oxide.Plugins.Fly.SetFlymode (.PlayerSession session, Single speed) [0x00000] in <filename unknown>:0

  at Oxide.Plugins.Fly.FlyCommand (.PlayerSession session, System.String command, System.String[] args) [0x00000] in <filename unknown>:0

  at Oxide.Plugins.Fly.DirectCallHook (System.String name, System.Object& ret, System.Object[] args) [0x00000] in <filename unknown>:0

  at Oxide.Plugins.CSharpPlugin.InvokeMethod (Oxide.Core.Plugins.HookMethod method, System.Object[] args) [0x00000] in <filename unknown>:0

  at Oxide.Core.Plugins.CSPlugin.OnCallHook (System.String name, System.Object[] args) [0x00000] in <filename unknown>:0

  at Oxide.Core.Plugins.Plugin.CallHook (System.String hook, System.Object[] args) [0x00000] in <filename unknown>:0

Thanks to the people for the repair!issue