Error Creating Domains

good day im getting this error when trying to create domains on my server

Error: ProtDir_IIS::update() failed: Add Protected Directory failed: Filename: \\?\C:\Inetpub\vhosts\clanzt.com\httpdocs\web.config Error: The configuration section 'system.webServer/pleskProtectedUrls' cannot be read because it is missing a section declaration In module Exception type: System.Runtime.InteropServices.COMException at Microsoft.Web.Administration.Interop.IAppHostAdminManager.GetAdminSection(String...

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