Please verify that translations are consistent. BiblioteQ requires
correct table column headers for locating columns. If a translation
is not consistent, correct columns will not be located.

https://doc.qt.io/qt/linguist-manager.html
https://doc.qt.io/qt/linguist-translators.html

> lupdate biblioteq.pro
> lrelease biblioteq.pro
> qmake -o Makefile biblioteq.pro
> make
