Please help me to understand this error

UserError: Error: CordovaError: Failed to fetch plugin cordova-plugin-battery-status@~2.0.3 via registry. Probably this is either a connection problem, or plugin spec is incorrect. Check your connection and plugin name/version/URL. This could be caused by a problem with a different plugin.

This is usually caused by a conflict with another plugin. Have a look at your plugins and make sure they are up to date and have not been deprecated. You can check them on npm.

I found a couple of potential problems with your project:

cordova-plugin-device-orientation has been deprecated.
cordova-plugin-dialogs is now 2.0.2. You’re using 1.2.0