Invalid response from Shuffler DB Api endponts

at Intelliplan.CMS.Infrastructure.Services.HttpClients.ShufflerHttpClient.ParseResponseObject(HttpResponseMessage response) in D:\a\1\s\src\Intelliplan.CMS.Infrastructure\HttpClients\ShufflerHttpClient.cs:line 231 at Intelliplan.CMS.Infrastructure.Services.HttpClients.ShufflerHttpClient.ExecuteGetObject(String path, Action`1 resultCallback) in D:\a\1\s\src\Intelliplan.CMS.Infrastructure\HttpClients\ShufflerHttpClient.cs:line 76 at Intelliplan.CMS.Infrastructure.Services.ShufflerService.GetJobAd(String id) in D:\a\1\s\src\Intelliplan.CMS.Infrastructure\Services\ShufflerService.cs:line 422 at Intelliplan.CMS.Core.Services.JobAdsService.GetJobAd(String id, Boolean useCache, Boolean forPreview, Boolean useSingleJobadCache) in D:\a\1\s\src\Intelliplan.CMS.Core\Services\JobAdsService.cs:line 113 at Intelliplan.CMS.Core.LinkedDataResolvers.JobAdResolver.Resolve(String jobAdId, String propertyName, Boolean useCache, Boolean forPreview) in D:\a\1\s\src\Intelliplan.CMS.Core\LinkedDataResolvers\JobAdResolver.cs:line 18 at Intelliplan.CMS.Core.DomainExtensions.LinkedDataExtensions.Resolve(LinkedData this, Object args, IServiceProvider serviceProvider, Boolean asyncResolve, Boolean useCache, Boolean forPreview) in D:\a\1\s\src\Intelliplan.CMS.Core\DomainExtensions\LinkedDataExtensions.cs:line 77