( ! ) Fatal error: Uncaught exception 'MongoDB\Driver\Exception\ConnectionTimeoutException' with message 'No suitable servers found (`serverSelectionTryOnce` set): [connection refused calling ismaster on '127.0.0.1:27017']' in /var/www/html/vendor/mongodb/mongodb/src/Collection.php on line 513
( ! ) MongoDB\Driver\Exception\ConnectionTimeoutException: No suitable servers found (`serverSelectionTryOnce` set): [connection refused calling ismaster on '127.0.0.1:27017'] in /var/www/html/vendor/mongodb/mongodb/src/Collection.php on line 513
Call Stack
#	Time	Memory	Function	Location
1	0.0000	243176	{main}( )	.../index.php:0
2	0.0006	321392	include_once( '/var/www/html/shop_header.php' )	.../index.php:5
3	0.0039	659480	MongoDB\Collection->find( )	.../shop_header.php:46
4	0.0039	660008	selectServer ( )	.../Collection.php:513