:CRMCountryId must be populated.

at Ascensia.Forms.Utilities.MulesoftUtils.ValidateRestClientSettings(RestServiceClientSettings settings) in C:\Projects\ADC\Ascensia.Framework.Web\Ascensia.Forms\Utilities\MulesoftUtils.cs:line 141 at Ascensia.Forms.Utilities.MulesoftUtils.CreateMulesoftClient(String crmRegionId, String crmCountryId, CultureInfo cultureInfo, HttpServerUtilityBase server, HttpRequestBase request, ICacheStore cacheStore, IRestServiceLogger logger, Boolean useDefaultCache) in C:\Projects\ADC\Ascensia.Framework.Web\Ascensia.Forms\Utilities\MulesoftUtils.cs:line 49 at Ascensia.Framework.Web.Areas.Country.Controllers.NewsLetterRegistrationFormBlockController.Index(NewsLetterRegistrationFormBlock currentBlock) in C:\Projects\ADC\Ascensia.Framework.Web\Ascensia.Framework.Web\Areas\Country\Controllers\NewsLetterRegistrationFormBlockController.cs:line 152