Class "FPDF" not found

-- HikaShop version -- : 6.1.0
-- HikaSerial version -- : 6.0.0
-- Joomla version -- : 5.3.3
-- PHP version -- : 8.4.6
-- Browser(s) name and version -- : FF 142.0.1
-- Error-message(debug-mod must be tuned on) -- : Class "FPDF" not found

Hello Jerome,

I was very happy to hear about a new version today. I've been waiting a good 4 months for it
Of course I installed it today and hoped for improvements based on the changelog.

Today, after 4 months, I got back in and when loading the generated ticket from the backend I get

https://www.breisig.live/administrator/index.php?option=com_hikashop&ctrl=order&task=download&file_id=164&order_id=881&file_pos=1

Class "FPDF" not found

Hello,
Yes, it works now.
Thank you.