Beaver Builder shim for Event Espresso 4.

beaver_builder_shim.php

<?php
//* Please do NOT include the opening php tag, except of course if you're starting with a blank file

function ee_bb_suppress_notices(){
    if (class_exists('FLBuilderModel') && (FLBuilderModel::is_builder_enabled())){
                add_filter( 'FHEE__EE_Front_Controller__display_errors', '__return_false' );
    }
}
add_action('wp', 'ee_bb_suppress_notices', 1);