( ! ) 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	0.0085	1337072	{main}( )	.../index.php:0
2	0.0085	1339360	require( '/var/www/nourishparis.fr/htdocs/wp-blog-header.php' )	.../index.php:17
3	0.0086	1339808	require_once( '/var/www/nourishparis.fr/htdocs/wp-load.php' )	.../wp-blog-header.php:13
4	0.0086	1340288	require_once( '/var/www/nourishparis.fr/htdocs/wp-config.php' )	.../wp-load.php:37
5	0.0086	1341888	require_once( '/var/www/nourishparis.fr/htdocs/wp-settings.php' )	.../wp-config.php:91
6	0.0133	1911704	require_wp_db( )	.../wp-settings.php:116
7	0.0134	1936024	require_once( '/var/www/nourishparis.fr/htdocs/wp-content/plugins/query-monitor/wp-content/db.php' )	.../load.php:413
8	0.0135	1940104	QM_DB->__construct( )	.../db.php:139
9	0.0135	1940776	QM_DB->__construct( )	.../db.php:75
10	0.0135	1941184	QM_DB->db_connect( )	.../wp-db.php:632
11	0.0136	1942760	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

0.0085

1337072

{main}( )

.../index.php:0

0.0085

1339360

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

.../index.php:17

0.0086

1339808

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

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

0.0086

1340288

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

.../wp-load.php:37

0.0086

1341888

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

.../wp-config.php:91

0.0133

1911704

require_wp_db( )

.../wp-settings.php:116

0.0134

1936024

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

.../load.php:413

0.0135

1940104

QM_DB->__construct( )

.../db.php:139

0.0135

1940776

QM_DB->__construct( )

.../db.php:75

0.0135

1941184

QM_DB->db_connect( )

.../wp-db.php:632

0.0136

1942760

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.