Preconditions:

• Added a new product based on product type with required product variants (used for product variant option)

Steps to reproduce:

1. Log in to back office.
2. Go to Product catalog / Products / Product.
3. Switch to Variants tab.
4. Click on 'Add' button.
5. Verify web browser console output right after user is redirected to add a new attribute form.

Actual result:

See attached screenshots.

A java script exception occurred while user is redirected to add new variant form.

Uncaught TypeError: Cannot read properties of null (reading 'querySelectorAll')
    at ibexa-product-catalog-edit-js.js:24:35
    at ./vendor/ibexa/product-catalog/src/bundle/Resources/public/js/edit.form.validator.js (ibexa-product-catalog-edit-js.js:82:3)
    at __webpack_require__ (runtime.js:23:42)
    at __webpack_exec__ (ibexa-product-catalog-edit-js.js:88:48)
    at ibexa-product-catalog-edit-js.js:89:37
    at webpackJsonpCallback (runtime.js:169:39)
    at ibexa-product-catalog-edit-js.js:1:53

Expected result:

No exception occurs.