Steps to reproduce

1. System has 1 connector enable is magento
2. Create Category list with connection3
3. Set magento connector enable to false
4. Go to edit Category list component 

.. Logs, screenshots, gifs...

Expected results

Should not throw error.

Actual results

System throw error

Caused by: java.lang.UnsupportedOperationExceptionCaused by: java.lang.UnsupportedOperationException at info.magnolia.ecommerce.app.field.productchooser.NoConnectionChooserView.getValue(NoConnectionChooserView.java:70) ~[magnolia-ecommerce-ui-1.3-SNAPSHOT.jar:?] at com.vaadin.ui.AbstractField.isDifferentValue(AbstractField.java:164) ~[vaadin-server-8.12.4.jar:8.12.4]

Workaround

Development notes

Check for all choosers: Category list, Product list, Product detail, Product teaser

Been covered in ECOMMERCE-422, check again