Steps to reproduce:

1. Go to any page with mass update, for example - Configuration->Hosts.
2. Select one or more entries.
3. Go to next page in paginator.
4. Observe: it is written, that "one or more" entries are selected and action buttons under the list are enabled.
5. Press "Mass update"

Result: Popup with error message "Field "ids" is mandatory.".
Expected: Popup with mass update form that, when submitted, will update selected entries from all pages.