Error while compiling ServerInfo: No overload for method 'ToString' takes 1 arguments | Line: 114, Pos: 77

var allowedTabs = _settings.Tabs
					.Where((tab, tabIndex) => string.IsNullOrEmpty(tab.OxideGroup) ||
						tab.OxideGroup.Split(',')
							.Any(group => Permission.UserHasGroup(Convert.ToString(player.userID, CultureInfo.InvariantCulture), group)))
					.ToList();


Then you also have to fix a second Error at Error while compiling ServerInfo: ) expected | Line: 115, Pos: 26

var allowedTabs = _settings.Tabs
                .Where((tab, tabIndex) => string.IsNullOrEmpty(tab.OxideGroup) ||
                    tab.OxideGroup.Split(',')
                        .Any(group => Permission.UserHasGroup(Convert.ToString(player.userID, CultureInfo.InvariantCulture), group)))
                .ToList();