Product (new) is not working

-- url of the page with the problem -- : www.trigger-load.com
-- HikaShop version -- : 4.6.1
-- Joomla version -- : 4.2.0
-- Error-message(debug-mod must be tuned on) -- : Hello,
have the following problem!
Joomla 4.2.0 and Hikashop are freshly installed.
But whenever I try to add a new product, I get this error message.
(An error has occurred.

0 Database not set in Joomla\CMS\Form\Field\TagField )

Hello,
have the following problem!
Joomla 4.2.0 and Hikashop are freshly installed.
But whenever I try to add a new product, I get this error message.
(An error has occurred.

0 Database not set in Joomla\CMS\Form\Field\TagField )