Getting this error. Been getting it for the past few months. This may be what's causing his lag, due to us having the same issue.
Failed to call hook 'OnEntityDeath' on plugin 'GUIAnnouncements v1.23.83' (NullReferenceException: Object reference not set to an instance of an object)
at Oxide.Plugins.GUIAnnouncements.OnEntityDeath (BaseCombatEntity entity, HitInfo info) [0x000aa] in :0
at Oxide.Plugins.GUIAnnouncements.DirectCallHook (System.String name, System.Object& ret, System.Object[] args) [0x00749] in :0
at Oxide.Plugins.CSharpPlugin.InvokeMethod (Oxide.Core.Plugins.HookMethod method, System.Object[] args) [0x00079] in <9affce1cd15c4ec183941adef8db1722>:0
at Oxide.Core.Plugins.CSPlugin.OnCallHook (System.String name, System.Object[] args) [0x000d8] in <4452f821def6406d834e4149849fe7ea>:0
at Oxide.Core.Plugins.Plugin.CallHook (System.String hook, System.Object[] args) [0x00060] in <4452f821def6406d834e4149849fe7ea>:0
Failed to call hook 'OnPlayerSleepEnded' on plugin 'GUIAnnouncements v1.23.83' (NullReferenceException: Object reference not set to an instance of an object)
at Oxide.Plugins.GUIAnnouncements.OnPlayerSleepEnded (BasePlayer player) [0x00014] in :0
at Oxide.Plugins.GUIAnnouncements.DirectCallHook (System.String name, System.Object& ret, System.Object[] args) [0x0062a] in :0
at Oxide.Plugins.CSharpPlugin.InvokeMethod (Oxide.Core.Plugins.HookMethod method, System.Object[] args) [0x00079] in <9affce1cd15c4ec183941adef8db1722>:0
at Oxide.Core.Plugins.CSPlugin.OnCallHook (System.String name, System.Object[] args) [0x000d8] in <4452f821def6406d834e4149849fe7ea>:0
at Oxide.Core.Plugins.Plugin.CallHook (System.String hook, System.Object[] args) [0x00060] in <4452f821def6406d834e4149849fe7ea>:0
Totino's Pizza Rolls[5401326/76561198294842257] died (Generic)