Hi everyone,
I have been using Prestashop for several years and performing the upgrade process by using the 1-Click-Upgrade module. Currently, Prestashop 8.1.6 is running on a FreeBSD 13.3-RELEASE-p1 amd64 and PHP Version is 8.1.28 . I wanted to upgrade to Prestashop 8.2.0, which is the recommende stable version. I did following usual necessary steps to upgrade the shop,
0. Activate the maintance mode
1. Make the shop folder on server writable with "chmod -R 777 ./<shop folder name>"
2. Deactivate the Payment method
My 1-Click-Upgrade module is the latest version v 6.2.0 and showed all Prestashop requirements for an Upgrade are fulfilled, as shown below (in German).
The istalled version of PHP is 8.1.28, which is also recommended version. I think the PHP Version should not be the problem. However, when I click to upgrade the refresh symbol (or processing symbol) was displayed for ca. 2 seconds (I showed it with an arrow), 
then stopped without any message, no error, nothing. Just stopped. This is weird. I searched the entire internet, but couldn't find any clue about this.
I am looking for a hint and advice from your guys.
Thank you!