Fatal error: Uncaught MongoDB\Driver\Exception\AuthenticationException: Authentication failed. in /home/divinfosys/public_html/mongodb/vendor/mongodb/mongodb/src/Operation/Count.php:176 Stack trace: #0 /home/divinfosys/public_html/mongodb/vendor/mongodb/mongodb/src/Operation/Count.php(176): MongoDB\Driver\Server->executeReadCommand() #1 /home/divinfosys/public_html/mongodb/vendor/mongodb/mongodb/src/Collection.php(312): MongoDB\Operation\Count->execute() #2 /home/divinfosys/public_html/classes/class.MongoDatabase.php(799): MongoDB\Collection->count() #3 /home/divinfosys/public_html/blog/classes/class.post-listing.php(18): MongoDatabase->executeMongoCount() #4 /home/divinfosys/public_html/blog/all-post.php(23): SampleCronClass->post_listing_info() #5 {main} thrown in /home/divinfosys/public_html/mongodb/vendor/mongodb/mongodb/src/Operation/Count.php on line 176