Fatal error: Uncaught Error: Call to a member function fetch() on bool in /home/ciane/www/biblio/_basic_tasks.php:1528
Stack trace:
#0 /home/ciane/www/biblio/_basic_tasks.php(737): is_parent('004')
#1 /home/ciane/www/biblio/detail.php(195): mots_cles(true, 'es', '1668')
#2 {main}
thrown in /home/ciane/www/biblio/_basic_tasks.php on line 1528