: The RegisterLicense method is missing from your application startup code.
// Global.asax.cs using Syncfusion.Licensing; using System.Web.Mvc; namespace YourApp public class MvcApplication : System.Web.HttpApplication protected void Application_Start() AreaRegistration.RegisterAllAreas(); // Register Syncfusion license SyncfusionLicenseProvider.RegisterLicense("YOUR_ACTUAL_LICENSE_KEY_HERE"); Use code with caution. MAUI / Xamarin.Forms syncfusion trial license key fix
: Licensing errors often stem from having multiple versions of the same Syncfusion package. : Delete the node_modules folder and package-lock.json (or equivalent), clear your package manager cache (e.g., npm cache clean --force : The RegisterLicense method is missing from your
: Clear your local cache to ensure no old trial assemblies are being loaded. How to Get a New Key Licensing FAQ – Get the license key - Help.Syncfusion.com : Delete the node_modules folder and package-lock
If you are still seeing a licensing message after adding a key, follow these steps to resolve the issue. 1. Generate the Correct License Key