( ! ) Warning: mysqli_real_connect(): (HY000/2002): Connection refused in /var/www/nourishparis.fr/htdocs/wp-includes/wp-db.php on line 1633
Call Stack
#	Time	Memory	Function	Location
1	0.0082	1338704	{main}( )	.../index.php:0
2	0.0082	1340992	require( '/var/www/nourishparis.fr/htdocs/wp-blog-header.php' )	.../index.php:17
3	0.0082	1341440	require_once( '/var/www/nourishparis.fr/htdocs/wp-load.php' )	.../wp-blog-header.php:13
4	0.0083	1341920	require_once( '/var/www/nourishparis.fr/htdocs/wp-config.php' )	.../wp-load.php:37
5	0.0083	1343520	require_once( '/var/www/nourishparis.fr/htdocs/wp-settings.php' )	.../wp-config.php:91
6	0.0138	1913336	require_wp_db( )	.../wp-settings.php:116
7	0.0139	1937656	require_once( '/var/www/nourishparis.fr/htdocs/wp-content/plugins/query-monitor/wp-content/db.php' )	.../load.php:413
8	0.0140	1941736	QM_DB->__construct( )	.../db.php:139
9	0.0140	1942408	QM_DB->__construct( )	.../db.php:75
10	0.0140	1942816	QM_DB->db_connect( )	.../wp-db.php:632
11	0.0141	1944392	mysqli_real_connect ( )	.../wp-db.php:1633

( ! ) Warning: mysqli_real_connect(): (HY000/2002): Connection refused in /var/www/nourishparis.fr/htdocs/wp-includes/wp-db.php on line 1633

Call Stack

Time

Memory

Function

Location

0.0082

1338704

{main}( )

.../index.php:0

0.0082

1340992

require( '/var/www/nourishparis.fr/htdocs/wp-blog-header.php' )

.../index.php:17

0.0082

1341440

require_once( '/var/www/nourishparis.fr/htdocs/wp-load.php' )

.../wp-blog-header.php:13

0.0083

1341920

require_once( '/var/www/nourishparis.fr/htdocs/wp-config.php' )

.../wp-load.php:37

0.0083

1343520

require_once( '/var/www/nourishparis.fr/htdocs/wp-settings.php' )

.../wp-config.php:91

0.0138

1913336

require_wp_db( )

.../wp-settings.php:116

0.0139

1937656

require_once( '/var/www/nourishparis.fr/htdocs/wp-content/plugins/query-monitor/wp-content/db.php' )

.../load.php:413

0.0140

1941736

QM_DB->__construct( )

.../db.php:139

0.0140

1942408

QM_DB->__construct( )

.../db.php:75

0.0140

1942816

QM_DB->db_connect( )

.../wp-db.php:632

0.0141

1944392

mysqli_real_connect ( )

.../wp-db.php:1633

Connection refused

Error establishing a database connection

This either means that the username and password information in your wp-config.php file is incorrect or we can’t contact the database server at localhost. This could mean your host’s database server is down.

Are you sure you have the correct username and password?
Are you sure you have typed the correct hostname?
Are you sure the database server is running?

If you’re unsure what these terms mean you should probably contact your host. If you still need help you can always visit the WordPress Support Forums.