Warning: mysqli_connect(): php_network_getaddresses: getaddrinfo for trailavapplis.mysql.db failed: Name or service not known in /home/trailav/www/AtlasQuestContest/utilitaires.php on line 21

Fatal error: Uncaught mysqli_sql_exception: php_network_getaddresses: getaddrinfo for trailavapplis.mysql.db failed: Name or service not known in /home/trailav/www/AtlasQuestContest/utilitaires.php:21 Stack trace: #0 /home/trailav/www/AtlasQuestContest/utilitaires.php(21): mysqli_connect('trailavapplis.m...', 'trailavapplis', 'BoukchoudPC6', 'trailavapplis') #1 /home/trailav/www/AtlasQuestContest/index.php(136): connexion() #2 {main} thrown in /home/trailav/www/AtlasQuestContest/utilitaires.php on line 21