The most common mistake is using an expired key or a key for the wrong version. Log in to your page. Select "Get License Key" from the dashboard.
Causes of Trial License Key Failures
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: The license key must be registered at the very start of your application's lifecycle (e.g., in main.ts , Program.cs , or App.js ) before any Syncfusion components are rendered. The most common mistake is using an expired
Syncfusion.Licensing.SyncfusionLicenseProvider.RegisterLicense( "YOUR_KEY_HERE" ); Use code with caution. Copied to clipboard or remove the dependency.
Here are the three ways to fix this issue, depending on whether you want to buy, extend, or remove the dependency.