Fatal error: Uncaught Error: Class "xajaxUserFunction" not found in /biblio/xajax/xajax_core/xajax.inc.php:1306 Stack trace: #0 /biblio/Xajax_File_Class.php(5): xajax->registerFunction() #1 /article.php(7): require_once('...') #2 {main} thrown in /biblio/xajax/xajax_core/xajax.inc.php on line 1306