Still issue in the console

Hello

Even with the last plugin version i have sill error in my dev console

Uncaught TypeError: wp_bottom_menu_page_back is null

<anonymous> https://www.unae.fr/wp-content/plugins/wp-bottom-menu/assets/js/main.js:4
main.js:4:74

<anonyme> https://www.unae.fr/wp-content/plugins/wp-bottom-menu/assets/js/main.js:4