Rpc onplayerhit/land
Failed to call hook 'IOnBasePlayerAttacked' on plugin 'RustCore v2.0.6243' (AssertionException: connection != null
Assertion failure. Value was Null
Expected: Value was not Null)
at Oxide.Core.Plugins.CSPlugin.OnCallHook (System.String name, System.Object[] args) [0x00107] in <beb2b64691c64e2b95b99491bd85442c>:0

at Oxide.Core.Plugins.Plugin.CallHook (System.String hook, System.Object[] args) [0x00060] in <beb2b64691c64e2b95b99491bd85442c>:0

when this happens issued player loses health quickly and dies on spawn

Is your oxide up to date?