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Warning: require(lib/MongoOAuth2.php): failed to open stream: No such file or directory in /home/cooplafobq/newplanning/vendor/friendsofsymfony/oauth2-php/server/examples/mongo/token.php on line 12

Fatal error: require(): Failed opening required 'lib/MongoOAuth2.php' (include_path='.:/usr/local/php7.3/lib/php') in /home/cooplafobq/newplanning/vendor/friendsofsymfony/oauth2-php/server/examples/mongo/token.php on line 12