i cannot access to site settings, received this error :

Error: Site Settings is currently unavailable. DotNetNuke.Services.Exceptions.ModuleLoadException: Multiple controls with the same ID 'AdvancedUrlSettings' were found. FindControl requires that controls have unique IDs. ---> System.Web.HttpException: Multiple controls with the same ID 'AdvancedUrlSettings' were found. FindControl requires that controls have unique IDs. at System.Web.UI.Control.FillNamedControlsTable(Control namingContainer, ControlCollection controls) at System.Web.UI.Control.FillNamedControlsTable(Control namingContainer, ControlCollection controls) at System.Web.UI.Control.FillNamedControlsTable(Control namingContainer, ControlCollection controls) at System.Web.UI.Control.FindControl(String id, Int32 pathOffset) at DotNetNuke.ExtensionPoints.EditPageTabExtensionControl.BindAction(Int32 portalId, Int32 tabId, Int32 moduleId) at DesktopModules.Admin.Portals.SiteSettings.BindPortal(Int32 portalId, String activeLanguage) at DesktopModules.Admin.Portals.SiteSettings.OnLoad(EventArgs e) --- End of inner exception stack trace ---

from our custom modules, we didn't have this control : AdvancedUrlSettings

appreciate any help.

Thanks.