In a Base listbox, I get the dropdown list OK, but the value from the parent record is not filled in. Also, if I choose a value from the list, it is not stored in the database

LibreOffice 4.1.6.2 on SuSE Linux 13.1 32-bit

Found the solution. The items in the two tables were not the same type. It would save a lot of time if the wizard gave an error message.