Esperanto

Since posting I set the price to £1 and purchased a ticket myself, and it worked perfectly. And if that's how an invoice with several identical sales but with fields looks, then I think we might conclude that he maybe added two separate goods to his basket. It was gone midnight when he purchased, so attention might not have been as great as it could have been!

Thank you for bringing this issue to our attention! I can confirm this should be further reviewed and I have logged an internal bug report for our development team to investigate and address as necessary, in a future maintenance release.
 

Hi,
Reading your topic, I tried to upgrade my IPS installation to 4.7.3.
I use Apache as web server, nginx as reverse proxy on Debian with cloudflare and PHP 8.1.7 with 256M (memory_limit) (I haven't tried 1024M).

I didn't encounter any problems during the upgrade, everything is fine.

Sincerly,
ASIKOO

It's not limited to CiC; I've just uploaded my on-premises site, and Forms was disabled during the upgrade process. Here's the message displayed in the ACP:
PHP8 Incompatible Customizations
We are currently in the process of migrating our platform from PHP7 to PHP8 in order to provide you with the greatest level of performance and security. We've identified one or more Applications or Plugins currently installed on your site which contain PHP8 incompatible hooks and/or subclasses. In PHP8, altering overloaded method signatures within a subclass results in a fatal error which can make a site completely inoperable. Also, our hook system relies on subclasses so this change applies to hooks as well. Therefore, this code must be either replaced with an updated version, removed, or disabled from your site as soon as possible.

If you are not sure what this means, you must contact the Author of any listed Application or Plugin for an updated version. If you cannot update to a PHP8 compatible version, the Application or Plugin will have to be disabled or removed.

Nearly: it was "Keep previous versions?", which I missed when listing my settings above, which is why Marc couldn't replicate the problem.

Thank you for bringing this issue to our attention! I can confirm this should be further reviewed and I have logged an internal bug report for our development team to investigate and address as necessary, in a future maintenance release.
 

Please do, Marc. I updated the saved password on file earlier.

Please could you disable all 3rd party items and test this again? If this does not work, please let us know what items you are switching from the default, so I can test this.