your last ticket is from March 2nd and it has been replied to you back then. The ticket was exactly about the PHP notice you describe above. It looks like the paddings of your containers are not correctly set, which is causing the issue.
Please send us a follow-up to that ticket with your login data, so that we get this fixed for you. If you no longer have the email of that ticket, please go to your “My Account” page on this site to few your ticket history, where you can also reply to the latest ticket.