Hi can anyone help please: I have lost everything after installing the documents mod, when I try to get to my home page this appears:

An error has occurred.
DotNetNuke.Services.Exceptions.PageLoadException: The type initializer for "DotNetNuke.Services.Url.FriendlyUrl.FriendlyUrlProvider" threw an exception. ---> System.TypeInitializationException: The type initializer for "DotNetNuke.Services.Url.FriendlyUrl.FriendlyUrlProvider" threw an exception. ---> System.Security.SecurityException: Request for the permission of type System.Security.Permissions.FileIOPermission, mscorlib, Version=1.0.5000.0, Culture=neutral, PublicKeyToken=b77a5c561934e089 failed. at System.Security.CodeAccessSecurityEngine.CheckHelper(PermissionSet grantedSet, PermissionSet deniedSet, CodeAccessPermission demand, PermissionToken permToken) at System.Security.CodeAccessSecurityEngine.Check(PermissionToken permToken, CodeAccessPermission demand, StackCrawlMark& stackMark, Int32 checkFrames, Int32 unrestrictedOverride) at System.Security.CodeAccessSecurityEngine.Check(CodeAccessPermission cap, StackCrawlMark& stackMark) at System.Security.CodeAccessPermission.Demand() at System.Reflection.Assembly.get_Location() at System.Web.Configuration.HttpConfigurationSystemBase.get_MsCorLibDirectory() at System.Web.Hosting.ISAPIWorkerRequest.get_MachineConfigPath() at System.Web.Configuration.HttpConfigurationSystem.ComposeConfig(String reqPath, IHttpMapPath configmap) at System.Web.Configuration.HttpConfigurationRecord.get_Parent() at System.Web.Configuration.HttpConfigurationRecord.GetConfig(String configKey, Boolean cacheResult) at System.Web.Configuration.HttpConfigurationRecord.Evaluate(String configKey, SectionRecord section) at System.Web.Configuration.HttpConfigurationRecord.GetConfig(String configKey, Boolean cacheResult) at System.Web.Configuration.HttpConfigurationRecord.GetConfig(String configKey, Boolean cacheResult) at System.Web.HttpContext.GetConfig(String name) at System.Web.Configuration.HttpConfigurationSystemBase.System.Configuration.IConfigurationSystem.GetConfig(String configKey) at System.Configuration.ConfigurationSettings.GetConfig(String sectionName) at DotNetNuke.Framework.Providers.ProviderConfiguration.GetProviderConfiguration(String strProvider) at DotNetNuke.Framework.Reflection.CreateObject(String ObjectProviderType, String ObjectProviderName, String ObjectNamespace, String ObjectAssemblyName) at DotNetNuke.Services.Url.FriendlyUrl.FriendlyUrlProvider.CreateProvider() at DotNetNuke.Services.Url.FriendlyUrl.FriendlyUrlProvider..cctor() --- End of inner exception stack trace --- at DotNetNuke.Services.Url.FriendlyUrl.FriendlyUrlProvider.Instance() at DotNetNuke.Common.Globals.NavigateURL(Int32 TabID, Boolean IsSuperTab, PortalSettings settings, String ControlKey, String[] AdditionalParameters) at DotNetNuke.Entities.Tabs.TabInfo.get_FullUrl() at DotNetNuke.UI.Skins.Controls.BreadCrumb.Page_Load(Object sender, EventArgs e) at System.Web.UI.Control.OnLoad(EventArgs e) at System.Web.UI.Control.LoadRecursive() at System.Web.UI.Control.LoadRecursive() at System.Web.UI.Control.LoadRecursive() at System.Web.UI.Control.LoadRecursive() at System.Web.UI.Control.LoadRecursive() at System.Web.UI.Control.LoadRecursive() at System.Web.UI.Page.ProcessRequestMain() --- End of inner exception stack trace ---

Regards

rab