Login IDE with Binance account, and make sure APPID is correct (in the Details Panel). If you create the project with CLI, please run the following command in the root directory of the project to generate code for real device:
Clicking Preview in the Tool Bar, IDE will bundle and upload your application. After uploading, IDE will generate a QR Code, you can scan the QR Code with Binance App to preview your application.
clean cache by clicking the clean button on the top of IDE, then restart you IDE and try again.