Failed to call hook 'cmdShowStatistics' on plugin 'SimplePVPStats v1.4.2' (KeyNotFoundException: The given key was not present in the dictionary.)

at System.Collections.Generic.Dictionary`2[TKey,TValue].get_Item (TKey key) [0x0001e] in <e1a80661d61443feb3dbdaac88eeb776>:0

at Oxide.Plugins.SimplePVPStats.cmdShowStatistics (BasePlayer player, System.String command, System.String[] args) [0x00013] in <ace9f2f9109d417d8339936877f238d5>:0

at Oxide.Plugins.SimplePVPStats.DirectCallHook (System.String name, System.Object& ret, System.Object[] args) [0x002b0] in <ace9f2f9109d417d8339936877f238d5>: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"

stats command wont work and produces this error.