Failed to call hook 'cmdMessageColour' on plugin 'ColouredChat v2.1.3' (IndexOutOfRangeException: Index was outside the bounds of the array.)
at Oxide.Plugins.ColouredChat.ProcessGradient (System.String name, System.String[] colourArgs) [0x00060] in <a08a21d16f9442cd81952853224b124f>:0
at Oxide.Plugins.ColouredChat.ProcessColour (Oxide.Core.Libraries.Covalence.IPlayer player, Oxide.Core.Libraries.Covalence.IPlayer target, System.String colLower, System.String[] colours, System.Boolean isMessage, System.String groupName) [0x0013a] in <a08a21d16f9442cd81952853224b124f>:0
at Oxide.Plugins.ColouredChat.ProcessColourCommand (Oxide.Core.Libraries.Covalence.IPlayer player, System.String cmd, System.String[] args, System.Boolean isMessage) [0x002f2] in <a08a21d16f9442cd81952853224b124f>:0
at Oxide.Plugins.ColouredChat.cmdMessageColour (Oxide.Core.Libraries.Covalence.IPlayer player, System.String cmd, System.String[] args) [0x00000] in <a08a21d16f9442cd81952853224b124f>:0
at Oxide.Plugins.ColouredChat.DirectCallHook (System.String name, System.Object& ret, System.Object[] args) [0x00d16] in <a08a21d16f9442cd81952853224b124f>: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

if you are try to use a blacklisted color with gradient
/mcolor gradient #000000 #000000 #000000