Warning: mysqli::__construct(): php_network_getaddresses: getaddrinfo failed: Name or service not known in /homepages/35/d593679501/htdocs/piwigo/include/dblayer/functions_mysqli.inc.php on line 67

Warning: mysqli::__construct(): (HY000/2002): php_network_getaddresses: getaddrinfo failed: Name or service not known in /homepages/35/d593679501/htdocs/piwigo/include/dblayer/functions_mysqli.inc.php on line 67

Warning: my_error(): Couldn't fetch mysqli in /homepages/35/d593679501/htdocs/piwigo/include/dblayer/functions_mysqli.inc.php on line 837

Warning: my_error(): Couldn't fetch mysqli in /homepages/35/d593679501/htdocs/piwigo/include/dblayer/functions_mysqli.inc.php on line 837

Piwigo encountered a non recoverable error

[mysql error ] 
Can't connect to server

#1	my_error /homepages/35/d593679501/htdocs/piwigo/include/common.inc.php(128)
#2	include_once /homepages/35/d593679501/htdocs/piwigo/index.php(26)