<b>fatal error</b>: uncaught mongodb\driver\exception\connectiontimeoutexception: no suitable servers found (`serverselectiontryonce` set): [server closed connection. calling hello on '127.0.0.1:27777'] in /www/wwwroot/default/txt.php:13
stack trace:
#0 /www/wwwroot/default/txt.php(13): mongodb\driver\manager->executequery()
#1 {main}
thrown in <b>/www/wwwroot/default/txt.php</b> on line <b>13</b>
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