Error message

• Notice: Trying to access array offset on value of type null in api_getName() (line 220 of /mnt/storage/www/websites/lefresnoy.net/tools/php/api/functions.php).
• Notice: Trying to access array offset on value of type null in api_getName() (line 221 of /mnt/storage/www/websites/lefresnoy.net/tools/php/api/functions.php).