Removing the cordova webview plugin and reinstalling the latest version solved the problem. Took me about 5 hours, I’m happy :D.
ionic cordova plugin rm cordova-plugin-ionic-webview
ionic cordova plugin add cordova-plugin-ionic-webview@latest
Reference Link – https://stackoverflow.com/questions/54149061/ionic-ios-tabs-page-can-bounce-white-space-on-top-and-bottom-of-app-area

















![Cannot read property ‘toLowerCase’ of undefined [ERROR] An error occurred while running subprocess cordova.](https://blog.rahulbhutani.com/wp-content/uploads/2020/12/ionic-enable-xcode-permissions-banner-100x70.png)