Unlicensed feature Error code 8001

[YashvitNaik]

Hi, 
 I am facing an issue while Adding new feature, I am using Esri.ArcGISRuntime (100.13.0) Nuget package, facing this issue on xamarin iOS.

Getting this error on Add Feature Async :

 await selectedFeatureTable.AddFeatureAsync(newFeature);

Exception:

[PreetiMaske]

Please ensure your app is licensed properly. 

Refer to https://developers.arcgis.com/net/license-and-deployment/license/#licensing-capabilities for information on different license levels and the capabilities offered at each license level.