Login and registration errors.

[MAD King]

The registration gives a 500 page with this error:

500
An error has occurred while processing your request.
If difficulties persist, please contact the website administrator and report the error below.

500 behavior::formvalidation not found.

It also give out this error after logging in and shows this URL my-account-alias/user?layout=edit

500
An error has occurred while processing your request.
If difficulties persist, please contact the website administrator and report the error below.

0 count(): Argument #1 ($value) must be of type Countable|array, null given

Joomla 4.4.3
VirtueMart 4.2.6 10972

[Alexb65]

Does it work with J SEF off?