[phpBB Debug] PHP Warning: in file [ROOT]/vendor/composer/ClassLoader.php on line 444: include([ROOT]/vendor/composer/../ocramius/proxy-manager/src/ProxyManager/Inflector/Util/ParameterHasher.php): failed to open stream: No such file or directory
[phpBB Debug] PHP Warning: in file [ROOT]/vendor/composer/ClassLoader.php on line 444: include([ROOT]/vendor/composer/../ocramius/proxy-manager/src/ProxyManager/Inflector/Util/ParameterHasher.php): failed to open stream: No such file or directory
[phpBB Debug] PHP Warning: in file [ROOT]/vendor/composer/ClassLoader.php on line 444: include(): Failed opening '[ROOT]/vendor/composer/../ocramius/proxy-manager/src/ProxyManager/Inflector/Util/ParameterHasher.php' for inclusion (include_path='.:/opt/plesk/php/7.2/share/pear')

Fatal error: Uncaught Error: Class 'ProxyManager\Inflector\Util\ParameterHasher' not found in /var/www/vhosts/lafilatelia.it/httpdocs/forum/vendor/ocramius/proxy-manager/src/ProxyManager/Inflector/ClassNameInflector.php:61 Stack trace: #0 /var/www/vhosts/lafilatelia.it/httpdocs/forum/vendor/ocramius/proxy-manager/src/ProxyManager/Configuration.php(140): ProxyManager\Inflector\ClassNameInflector->__construct('ProxyManagerGen...') #1 /var/www/vhosts/lafilatelia.it/httpdocs/forum/vendor/ocramius/proxy-manager/src/ProxyManager/Factory/AbstractBaseFactory.php(84): ProxyManager\Configuration->getClassNameInflector() #2 /var/www/vhosts/lafilatelia.it/httpdocs/forum/vendor/ocramius/proxy-manager/src/ProxyManager/Factory/LazyLoadingValueHolderFactory.php(45): ProxyManager\Factory\AbstractBaseFactory->generateProxy('phpbb\\template\\...', Array) #3 /var/www/vhosts/lafilatelia.it/httpdocs/forum/phpbb/di/proxy_instantiator.php(69): ProxyManager\Factory\LazyLoadingValueHolderFactory->createProxy('phpbb\\template\\...', Object(Closure) in /var/www/vhosts/lafilatelia.it/httpdocs/forum/vendor/ocramius/proxy-manager/src/ProxyManager/Inflector/ClassNameInflector.php on line 61