Whoops, looks like something went wrong.

        }

        $message = self::ERROR_LEVEL_LABELS[$errorLevel] . ': ' . $errorMessage . ' in ' . $errorFile . ' line ' . $errorLine;
        if ($errorLevel & $this->exceptionalErrors) {
            throw new Exception($message, 1476107295);
        }

        $message = $this->getFormattedLogMessage($message);

 * @private
 */
function includeFile($file)
{
    include $file;
}

 * @private
 */
function includeFile($file)
{
    include $file;
}

     */
    public function loadClass($class)
    {
        if ($file = $this->findFile($class)) {
            includeFile($file);

            return true;
        }

     * @return bool|null
     */
    public function loadClass($className)
    {
        $classFound = $this->composerClassLoader->loadClass($className);
        if (!$classFound && !$this->caseSensitiveClassLoading) {
            $classFound = $this->composerClassLoader->loadClass(strtolower($className));
        }
        return $classFound;

        $originalClassName = $this->getOriginalClassName($className);

        return $originalClassName
            ? $this->loadOriginalClassAndSetAliases($originalClassName)
            : $this->loadClass($className);
    }

    /**
     * Load class with the option to respect case insensitivity

    protected static function initializeIO()
    {
        if (in_array('phar', stream_get_wrappers())) {
            // destroy and re-initialize PharStreamWrapper for TYPO3 core
            Manager::destroy();
            Manager::initialize(
                (new Behavior())
                    ->withAssertion(new ConjunctionInterceptor([
                        new PharStreamWrapperInterceptor(),

        // happen errors before we call GeneralUtility::setContainer().
        GeneralUtility::setSingletonInstance(LogManager::class, $logManager);

        static::initializeErrorHandling();
        static::initializeIO();

        $disableCaching = $failsafe ? true : false;
        $coreCache = static::createCache('core', $disableCaching);
        $packageCache = static::createPackageCache($coreCache);

// Set up the application for the frontend
call_user_func(static function () {
    $classLoader = require __DIR__.'/vendor/autoload.php';
    \TYPO3\CMS\Core\Core\SystemEnvironmentBuilder::run(0, \TYPO3\CMS\Core\Core\SystemEnvironmentBuilder::REQUESTTYPE_FE);
    \TYPO3\CMS\Core\Core\Bootstrap::init($classLoader)->get(\TYPO3\CMS\Frontend\Http\Application::class)->run();
});

call_user_func(static function () {
    $classLoader = require __DIR__.'/vendor/autoload.php';
    \TYPO3\CMS\Core\Core\SystemEnvironmentBuilder::run(0, \TYPO3\CMS\Core\Core\SystemEnvironmentBuilder::REQUESTTYPE_FE);
    \TYPO3\CMS\Core\Core\Bootstrap::init($classLoader)->get(\TYPO3\CMS\Frontend\Http\Application::class)->run();
});