Value cannot be null or empty. (Parameter 'url') at Microsoft.AspNetCore.Mvc.ControllerBase.Redirect(String url) at Platform1.Landing.Controllers.WelcomeController.WelcomeOpen(String PARAMS, Int32 Lang) in D:\WorkspaceProdJobs\WorkspaceMicroServices\Checkout\Micro-Landing-Service\Platform1.Landing\Controllers\WelcomeController.cs:line 66