root password : PROD-DBPASS / SQLSTATE[HY000] [1698] Access denied for user 'PROD-DBUSER'@'localhost'

Fatal error:  Uncaught Error: Call to a member function query() on bool in /home/transporteo/apps/model/SqlDataLib.class.php:4710
Stack trace:
#0 /home/transporteo/apps/controllers/home_page_lyon.php(5): sqlDataLib->getPostsAndLimit()
#1 /home/transporteo/apps/appsController/defaultController.php(409): include('/home/transport...')
#2 /home/transporteo/apps/controllers/_page_controller.php(15): include('/home/transport...')
#3 /home/transporteo/www/index.php(16): include('/home/transport...')
#4 {main}
  thrown in /home/transporteo/apps/model/SqlDataLib.class.php on line 4710