Ionic 5 ordova run emulator white screen

When i run the command ionic cordova run android --live-reload to test my app on android emulator i have a white screen and after checking errors on chrome://inspect/#devices i have the following errors :

file:///android_asset/www/cordova_plugins.js Failed to load resource: net::ERR_FILE_NOT_FOUND
vendor.js:90577 Uncaught SyntaxError: Use of const in strict mode.

Can someone help me ?