Notice after update

Please make sure WordPress & WPBakery are updated to the latest version.
Did this message show in other elements which has an image option in Mega Addons element?
Also show me the page url.

Hi, both wordpress(5.5.1) and wpbakery(6.4.1) are updated to the latest version. Mega Addons version is 4.2.0. Other elements with images don’t give the same notice, but the flipbox element do as you can see below:

2020-10-12 12:00:40	Warning	31.156.166.223	mod_fcgid: stderr: PHP Notice: Undefined variable: alt in /var/www/vhosts/Z08897-Creass.linp010.arubabusiness.it/progressocreativo.it/demo/sinapsi/wp-content/plugins/mega-addons-for-visual-composer/render/flipbox.php on line 95, referer: https://progressocreativo.it/demo/sinapsi/wp-admin/post.php?post=299&action=edit&lang=it

2020-10-12 12:00:40	Warning	31.156.166.223	mod_fcgid: stderr: PHP Notice: Undefined variable: image_url in /var/www/vhosts/Z08897-Creass.linp010.arubabusiness.it/progressocreativo.it/demo/sinapsi/wp-content/plugins/mega-addons-for-visual-composer/render/timeline_son.php on line 53, referer: https://progressocreativo.it/demo/sinapsi/wp-admin/post.php?post=299&action=edit&lang=it

you can’t see the site because I can’t publish it yet since is under construction but here you can see a screen of the page https://bayimg.com/gAoOGAaGA

Hi there! I have this notice on the page where my timeline is: Notice: Undefined variable: image_url in /…/wp-content/plugins/mega-addons-for-visual-composer/render/timeline_son.php on line 53
Can you help me to solve this? thanks!
My page url: https://csp-competence.com/about/

Hi. Please delete the plugin & Install again from WordPress. We fixed this issue.

Thanks