Fatal error: Uncaught exception 'MongoConnectionException' with message 'Failed to connect to: 127.0.0.1:27017: Previous connection attempts failed, server blacklisted' in /home/investor/pre_html/api/database.php:8 Stack trace: #0 /home/investor/pre_html/api/database.php(8): MongoClient->__construct('mongodb://127.0...', Array) #1 /home/investor/pre_html/api/functions.php(138): api\database->__construct() #2 /home/investor/pre_html/api/frontend.php(11): api\brain->__construct() #3 /home/investor/pre_html/page-pdf.php(4): api\frontend->__construct() #4 /home/investor/pre_html/api/functions.php(99): require('/home/investor/...') #5 /home/investor/pre_html/index.php(3): require_once('/home/investor/...') #6 {main} thrown in /home/investor/pre_html/api/database.php on line 8