Creating "Member Groups" not working in 7.10 and 7.10.1

I have tested with clean installs.

Anybody having the same issue and maybe a solution?

2018-04-07 15:38:55,211 [P7892/D5/T12] ERROR Umbraco.Core.UmbracoApplicationBase - An unhandled exception occurred System.Web.HttpUnhandledException (0x80004005): Exception of type 'System.Web.HttpUnhandledException' was thrown. ---> System.ArgumentNullException: Value cannot be null. Parameter name: type at System.Activator.CreateInstance(Type type, Boolean nonPublic) at System.Activator.CreateInstance(Type type) at Umbraco.Web.UI.LegacyDialogHandler.GetTaskForOperation(HttpContextBase httpContext, User umbracoUser, Operation op, String nodeType) at Umbraco.Web.UI.LegacyDialogHandler.UserHasCreateAccess(HttpContextBase httpContext, User umbracoUser, String nodeType) at Umbraco.Web.UI.Umbraco.CreateDialog.SecurityCheck(String nodeTypeAlias) at Umbraco.Web.UI.Umbraco.CreateDialog.OnLoad(EventArgs e) at System.Web.UI.Control.LoadRecursive() at System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) at System.Web.UI.Page.HandleError(Exception e) at System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) at System.Web.UI.Page.ProcessRequest(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) at System.Web.UI.Page.ProcessRequest() at System.Web.UI.Page.ProcessRequestWithNoAssert(HttpContext context) at System.Web.UI.Page.ProcessRequest(HttpContext context) at ASP.umbracocreateaspx.ProcessRequest(HttpContext context) in c:\Users\tha\AppData\Local\Temp\Temporary ASP.NET Files\vs\a7d4c53b\b249bc3\AppWebcreate.aspx.5f2dec3.l8j_trrm.0.cs:line 0 at System.Web.HttpApplication.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() at System.Web.HttpApplication.ExecuteStepImpl(IExecutionStep step) at System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously)