You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'ORDER BY issue DESC, `year` DESC ) QQ WHERE `year`<2100 ORDER BY modified DES...' at line 1 Bibliographies | Miko Flohr
 

Haug, A., A. Hielscher and A.-L. Krüger (2023). Neighbourhoods and City Quarters in Antiquity. Design and Experience. Decor 7. Berlin: De Gruyter.