erreur PHP : variable `team_name2` non définie
error.log :
[Mon Apr 02 10:22:29.300323 2018] [client 193.33.56.45:58721] AH01071:
Got error 'PHP message: PHP Notice: Undefined variable: team_name2 in /var/www/labnbook/authoring_tools/common/authoring_fn.php on line 430',
referer: http://labnbook.fr/authoring_tools/lb_students.php