For more specific troubleshooting, you can refer to the Syncfusion Installation Errors guide .
You do not need a different key for every project. A single key is valid for all projects developed by the registered user for that specific version.
import registerLicense from '@syncfusion/ej2-base'; // Register your Syncfusion unlock key here registerLicense('YOUR_COPIED_UNLOCK_KEY_HERE'); Use code with caution. 3. Flutter Applications