Help for Aimeos

command php artisan aimeos:setup --option=setup/default/demo:1 throws a Aimeos\MW\Tree\Exception with message No node with ID "3" found at vendor/aimeos/aimeos-core/src/MW/Tree/Manager/DBNestedSet.php:704

Command output before the exception:

...
Creating locale schema
Add locale data for ...

We are setting up an e-commerce for our client who also has a physical store. In the store, they aften organize a tied sale, where you get a certain discount percentage when you buy 2 eligible products.
This works very different from a 'buy one, get one free' kind of discount, since it can be ...