Failed to call hook 'OnPlayerDeath' on plugin 'KillRecords v1.2.1' (NullReferenceException: Object reference not set to an instance of an object)
  at Oxide.Plugins.KillRecords.OnPlayerDeath (BasePlayer player, HitInfo hitInfo) [0x00038] in <f9a678e6d73b4ea98c1f9e1980f733bc>:0
, 1 slprs                                                                              1kb/s in, 19kb/s out
  at Oxide.Plugins.KillRecords.DirectCallHook (System.String name, System.Object& ret, System.Object[] args) [0x00a4a] in <f9a678e6d73b4ea98c1f9e1980f733bc>:0
  at Oxide.Plugins.CSharpPlugin.InvokeMethod (Oxide.Core.Plugins.HookMethod method, System.Object[] args) [0x00079] in <31122a27a2414cd799150f8677cf39d4>:0
  at Oxide.Core.Plugins.CSPlugin.OnCallHook (System.String name, System.Object[] args) [0x000d8] in <0fbce81d88d64454b3e7abb24df7026b>:0
  at Oxide.Core.Plugins.Plugin.CallHook (System.String hook, System.Object[] args) [0x00060] in <0fbce81d88d64454b3e7abb24df7026b>:0

Any details on what happened in-game at that time? How did the death happen?

I will try to replicate this error and fix asap.

took me a while to track this error down but it should be fixed now