I'm using clans plugin and I have multiple errors when executing these commands. Please advice.

/clan invite cancel
Failed to call hook 'cmdClan' on plugin 'Clans v0.1.51' (IndexOutOfRangeException: Index was outside the bounds of the array.)
at Oxide.Plugins.Clans.InviteMember (Oxide.Core.Libraries.Covalence.IPlayer player, System.String[] args) [0x000d8] in <6db305ff6f0c49e18e330bd4d61a606f>:0

at Oxide.Plugins.Clans.cmdClan (Oxide.Core.Libraries.Covalence.IPlayer player, System.String command, System.String[] args) [0x001de] in <6db305ff6f0c49e18e330bd4d61a606f>:0

at Oxide.Plugins.Clans.DirectCallHook (System.String name, System.Object& ret, System.Object[] args) [0x00732] in <6db305ff6f0c49e18e330bd4d61a606f>: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

/clan promote playername
Failed to call hook 'cmdClan' on plugin 'Clans v0.1.51' (ArgumentNullException: Value cannot be null.
Parameter name: key)
at System.Collections.Generic.Dictionary`2[TKey,TValue].FindEntry (TKey key) [0x00008] in <e1a80661d61443feb3dbdaac88eeb776>:0

at System.Collections.Generic.Dictionary`2[TKey,TValue].get_Item (TKey key) [0x00000] in <e1a80661d61443feb3dbdaac88eeb776>:0

at Oxide.Plugins.Clans.PromoteMember (Oxide.Core.Libraries.Covalence.IPlayer player, System.String targetplayer) [0x000bc] in <6db305ff6f0c49e18e330bd4d61a606f>:0

at Oxide.Plugins.Clans.cmdClan (Oxide.Core.Libraries.Covalence.IPlayer player, System.String command, System.String[] args) [0x00265] in <6db305ff6f0c49e18e330bd4d61a606f>:0

at Oxide.Plugins.Clans.DirectCallHook (System.String name, System.Object& ret, System.Object[] args) [0x00732] in <6db305ff6f0c49e18e330bd4d61a606f>: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


/clan demote playername
Failed to call hook 'cmdClan' on plugin 'Clans v0.1.51' (ArgumentNullException: Value cannot be null.
Parameter name: key)
at System.Collections.Generic.Dictionary`2[TKey,TValue].FindEntry (TKey key) [0x00008] in <e1a80661d61443feb3dbdaac88eeb776>:0

at System.Collections.Generic.Dictionary`2[TKey,TValue].get_Item (TKey key) [0x00000] in <e1a80661d61443feb3dbdaac88eeb776>:0

at Oxide.Plugins.Clans.DemoteMember (Oxide.Core.Libraries.Covalence.IPlayer player, System.String targetplayer) [0x0003d] in <6db305ff6f0c49e18e330bd4d61a606f>:0

at Oxide.Plugins.Clans.cmdClan (Oxide.Core.Libraries.Covalence.IPlayer player, System.String command, System.String[] args) [0x002a6] in <6db305ff6f0c49e18e330bd4d61a606f>:0

at Oxide.Plugins.Clans.DirectCallHook (System.String name, System.Object& ret, System.Object[] args) [0x00732] in <6db305ff6f0c49e18e330bd4d61a606f>: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