allen13 you can disable display_errors
in your php.ini
. It's advised to have this option turned off in production.
The extension will need an update to remove the deprecated code, but it shouldn't prevent the extension from running with the deprecation warnings disabled.
For technical reasons, Flarum has to kill the script if any PHP warning/error is outputed because it can't finish rendering the page. If the display_errors
option is turned off, Flarum will be able to continue by ignoring the warning.