phpMyAgenda

bonjour,

sur agenda.php3 j'ai le message d'erreur suivant :
on agenda.php3 i've got this error message

Fatal error: Call to undefined function db_query() in
/homez.57/monsite/www/agenda/admin/include/auth.inc.php3 on line 140

"$qid = db_query("SELECT sid FROM $this->acct_table WHERE
user='".formatSQLString($CFG->publicuser)."'");
"

sur la partie admin après m'être loggé, j'ai :
on admin, after login i've got :

Fatal error: Call to undefined function db_query() in
/homez.57/vipfwagm/www/agenda/admin/include/auth.inc.php3 on line 220

"$qid = db_query("SELECT * FROM $this->acct_table WHERE $this->username_col
= '".formatSQLString($login)."'");
"
could someone help me ?