Warning: require_once(Doctrine/Common/ClassLoader.php): Failed to open stream: No such file or directory in /home/walaawon/researchpaperwriters.us/vendor/doctrine/orm/bin/doctrine-pear.php on line 20

Fatal error: Uncaught Error: Failed opening required 'Doctrine/Common/ClassLoader.php' (include_path='.:/opt/alt/php83/usr/share/pear:/opt/alt/php83/usr/share/php:/usr/share/pear:/usr/share/php') in /home/walaawon/researchpaperwriters.us/vendor/doctrine/orm/bin/doctrine-pear.php:20 Stack trace: #0 {main} thrown in /home/walaawon/researchpaperwriters.us/vendor/doctrine/orm/bin/doctrine-pear.php on line 20