Fatal error: Uncaught Error: Call to a member function fetch_assoc() on bool in /var/www/html/admin/modules/bibliography/biblio.inc.php:148 Stack trace: #0 /var/www/html/admin/modules/bibliography/biblio.inc.php(187): Biblio->getAuthors() #1 /var/www/html/lib/detail.inc.php(68): Biblio->detail() #2 /var/www/html/lib/contents/show_detail.inc.php(102): detail->__construct(Object(mysqli), 179066) #3 /var/www/html/index.php(104): include('/var/www/html/l...') #4 {main} thrown in /var/www/html/admin/modules/bibliography/biblio.inc.php on line 148