Delete node_modules and package-lock.json , then run npm install . Environment Variables
static class Program
If you’ve integrated Syncfusion controls into your application, nothing breaks your flow quite like a popup or console warning shouting: "This application was built using a trial version of Syncfusion Essential Studio." syncfusion trial license key fix
// Add this at the very beginning of Program.cs Syncfusion.Licensing.SyncfusionLicenseProvider.RegisterLicense("YOUR_ACTUAL_LICENSE_KEY_HERE"); Use code with caution. .NET MAUI / Xamarin.Forms
Manually delete the bin and obj folders inside your project directory. Delete node_modules and package-lock
If using CI/CD pipelines, verify that your build server successfully injects the secret key variable into your code before deployment. To help narrow down the problem, tell me: What platform or framework are you developing on? What version of Syncfusion packages are you using? What exact error message or behavior are you seeing?
: Check your package.json or NuGet references. If your packages are v27.1.x , your license key must be generated specifically for v27.1.x . If using CI/CD pipelines, verify that your build
Use the registerLicense method in your main application file (e.g., index.js or app.component.ts ). javascript
You can use the Validate method to programmatically verify that your license is registered correctly, which is useful for automated tests.
Check your package manager (NuGet, NPM, or Pub) for the exact version number of your Syncfusion libraries. Generate a new key matching that exact version. Duplicate Platform Registrations
Ensure the key you generated exactly matches the version of the Nuget packages or npm modules installed.