When you press the top 30 gui button below is console output.
Failed to call hook 'ClanUI' on plugin 'PlayerRanks v2.1.0' (FormatException: Input string was not in a correct format.)
at System.Text.StringBuilder.AppendFormatHelper (System.IFormatProvider provider, System.String format, System.ParamsArray args) [0x000ae] in <fb001e01371b4adca20013e0ac763896>:0
at System.String.FormatHelper (System.IFormatProvider provider, System.String format, System.ParamsArray args) [0x00023] in <fb001e01371b4adca20013e0ac763896>:0
at System.String.Format (System.String format, System.Object[] args) [0x00020] in <fb001e01371b4adca20013e0ac763896>:0
at Oxide.Plugins.PlayerRanks.CallTopThirty (BasePlayer player, System.String button, System.Boolean clan, System.Int32 page, System.String sort, System.Boolean ascending, System.String oldsort) [0x005eb] in <a01e74e764c6429596177ad578deecd1>:0
at Oxide.Plugins.PlayerRanks.ClanUI (ConsoleSystem+Arg arg) [0x0009d] in <a01e74e764c6429596177ad578deecd1>:0
at Oxide.Plugins.PlayerRanks.DirectCallHook (System.String name, System.Object& ret, System.Object[] args) [0x0114c] in <a01e74e764c6429596177ad578deecd1>:0
at Oxide.Plugins.CSharpPlugin.InvokeMethod (Oxide.Core.Plugins.HookMethod method, System.Object[] args) [0x00079] in <d09a1f46ca2f4432811bcfe45ad13c7b>:0
at Oxide.Core.Plugins.CSPlugin.OnCallHook (System.String name, System.Object[] args) [0x000d8] in <cf88a28c7fb44d36890d85a78331cc9d>:0
at Oxide.Core.Plugins.Plugin.CallHook (System.String hook, System.Object[] args) [0x00060] in <cf88a28c7fb44d36890d85a78331cc9d>:0