Warning: include_once(db_access.php): Failed to open stream: No such file or directory in /home/creoconcept/www/plat04/main.php on line 27

Warning: include_once(): Failed opening 'db_access.php' for inclusion (include_path='.:/usr/share/php') in /home/creoconcept/www/plat04/main.php on line 27

Warning: include_once(/home/creoconcept/new/adminplat04/db_access_mycsite.php): Failed to open stream: No such file or directory in /home/creoconcept/www/plat04/main.php on line 28

Warning: include_once(): Failed opening '/home/creoconcept/new/adminplat04/db_access_mycsite.php' for inclusion (include_path='.:/usr/share/php') in /home/creoconcept/www/plat04/main.php on line 28

Fatal error: Uncaught TypeError: mysqli_set_charset(): Argument #1 ($mysql) must be of type mysqli, null given in /home/creoconcept/www/plat04/main.php:30
Stack trace:
#0 /home/creoconcept/www/plat04/main.php(30): mysqli_set_charset()
#1 /home/creoconcept/www/teste/index.php(2): include('...')
#2 {main}
  thrown in /home/creoconcept/www/plat04/main.php on line 30