Fatal error: Uncaught Error: Class "MongoDB\Driver\WriteConcern" not found in /home/rcadmin/sharepicgenerator/vendor/alcaeus/mongo-php-adapter/lib/Alcaeus/MongoDbAdapter/Helper/WriteConcernConverter.php:38 Stack trace: #0 /home/rcadmin/sharepicgenerator/vendor/alcaeus/mongo-php-adapter/lib/Alcaeus/MongoDbAdapter/Helper/WriteConcern.php(59): MongoClient->createWriteConcernFromParameters() #1 /home/rcadmin/sharepicgenerator/vendor/alcaeus/mongo-php-adapter/lib/Mongo/MongoClient.php(320): MongoClient->setWriteConcernFromParameters() #2 /home/rcadmin/sharepicgenerator/vendor/alcaeus/mongo-php-adapter/lib/Mongo/MongoClient.php(441): MongoClient->setWriteConcern() #3 /home/rcadmin/sharepicgenerator/vendor/alcaeus/mongo-php-adapter/lib/Mongo/MongoClient.php(93): MongoClient->applyConnectionOptions() #4 /home/rcadmin/sharepicgenerator/base/db/mongo.php(15): MongoClient->__construct() #5 /home/rcadmin/sharepicgenerator/base/db/mongo.php(87): mongo_db->getDB() #6 /home/rcadmin/sharepicgenerator/base/model.php(18): mongo_db->findOne() #7 /home/rcadmin/sharepicgenerator/app/controller/access.php(225): model->__call() #8 /home/rcadmin/sharepicgenerator/base/bootstrap.php(186): access_controller->registerAction() #9 /home/rcadmin/sharepicgenerator/base/bootstrap.php(77): bootstrap->web() #10 /home/rcadmin/sharepicgenerator/base/bootstrap.php(241): bootstrap->__construct() #11 /home/rcadmin/sharepicgenerator/public/index.php(32): require('...') #12 {main} thrown in /home/rcadmin/sharepicgenerator/vendor/alcaeus/mongo-php-adapter/lib/Alcaeus/MongoDbAdapter/Helper/WriteConcernConverter.php on line 38