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
 

Rosillo López, C. and M. Garcia Morcillo (2021). Managing Information in the Roman Economy. Palgrave Studies in Ancient Economies. London: Palgrave.