Bonjour, j'ai des erreur au niveau du portail ,

• Warning: fgets(): supplied argument is not a valid stream resource in /var/www/clients/client0/web1/web/includes/fonctions.php on line 640
  

• Warning: fclose(): supplied argument is not a valid stream resource in /var/www/clients/client0/web1/web/includes/fonctions.php on line 641
  

• Warning: Invalid argument supplied for foreach() in /var/www/clients/client0/web1/web/includes/fonctions.php on line 661
  

• Warning: Cannot modify header information - headers already sent by (output started at /var/www/clients/client0/web1/web/includes/fonctions.php:640) in /var/www/clients/client0/web1/web/header.php on line 46
  

Merci de vos réponse