Warning: include(/var/www/dev/t3_src/typo3/sysext/core/Classes/Utility/HttpUtility.php): failed to open stream: No such file or directory in /var/www/dev/t3_src/vendor/composer/ClassLoader.php on line 412

Warning: include(): Failed opening '/var/www/dev/t3_src/typo3/sysext/core/Classes/Utility/HttpUtility.php' for inclusion (include_path='/var/www/dev/t3_src/vendor/pear/http_request2:/var/www/dev/t3_src/vendor/pear/net_url2:/var/www/dev/t3_src/vendor/pear/pear_exception:.:/usr/share/php') in /var/www/dev/t3_src/vendor/composer/ClassLoader.php on line 412

Fatal error: Uncaught Error: Class 'TYPO3\CMS\Core\Utility\HttpUtility' not found in /var/www/dev/t3_src/typo3/sysext/core/Classes/Core/SystemEnvironmentBuilder.php:406 Stack trace: #0 /var/www/dev/t3_src/typo3/sysext/core/Classes/Core/SystemEnvironmentBuilder.php(185): TYPO3\CMS\Core\Core\SystemEnvironmentBuilder::exitWithMessage('Unable to deter...') #1 /var/www/dev/t3_src/typo3/sysext/core/Classes/Core/SystemEnvironmentBuilder.php(74): TYPO3\CMS\Core\Core\SystemEnvironmentBuilder::checkMainPathsExist() #2 /var/www/dev/t3_src/typo3/sysext/core/Classes/Core/Bootstrap.php(192): TYPO3\CMS\Core\Core\SystemEnvironmentBuilder::run('') #3 /var/www/dev/t3_src/typo3/sysext/frontend/Classes/Http/Application.php(56): TYPO3\CMS\Core\Core\Bootstrap->baseSetup('') #4 /var/www/dev/t3_src/index.php(33): TYPO3\CMS\Frontend\Http\Application->__construct(Object(Composer\Autoload\ClassLoader)) #5 /var/www/dev/t3_src/index.php(34): {closure}() #6 {main} thrown in /var/www/dev/t3_src/typo3/sysext/core/Classes/Core/SystemEnvironmentBuilder.php on line 406