Warning: mysqli::mysqli(): php_network_getaddresses: getaddrinfo failed: Name or service not known in /homepages/21/d261478599/htdocs/piwigo/include/dblayer/functions_mysqli.inc.php on line 61

Warning: mysqli::mysqli(): (HY000/2002): php_network_getaddresses: getaddrinfo failed: Name or service not known in /homepages/21/d261478599/htdocs/piwigo/include/dblayer/functions_mysqli.inc.php on line 61

Warning: my_error(): Couldn't fetch mysqli in /homepages/21/d261478599/htdocs/piwigo/include/dblayer/functions_mysqli.inc.php on line 826

Warning: my_error(): Couldn't fetch mysqli in /homepages/21/d261478599/htdocs/piwigo/include/dblayer/functions_mysqli.inc.php on line 826

Piwigo encountered a non recoverable error

[mysql error ] 
Can't connect to server

#1	my_error /homepages/21/d261478599/htdocs/piwigo/include/common.inc.php(119)
#2	include_once /homepages/21/d261478599/htdocs/piwigo/index.php(26)