TYPO3 8.7 CLI 外部导入错误：权限与缓存问题解决方案

<?php

namespace Cobweb\Something\Command;

use Symfony\Component\Console\Command\Command;
use Symfony\Component\Console\Input\InputInterface;
use Symfony\Component\Console\Output\OutputInterface;
use Symfony\Component\Console\Style\SymfonyStyle;
use TYPO3\CMS\Core\Core\Bootstrap;
use TYPO3\CMS\Core\Utility\GeneralUtility;
use TYPO3\CMS\Extbase\Object\ObjectManager;

class ImportFormationCommand extends Command
{
    protected function configure()
    {
        $this->setDescription('Synchroniser les formations externe dans typo3.');
    }

    protected function execute(InputInterface $input, OutputInterface $output)
    {
        $io = new SymfonyStyle($input, $output);

        // 初始化后端认证
        Bootstrap::getInstance()->initializeBackendAuthentication();

        $arrayFormations = $this->getFormations();
        $message = $this->importFormation($arrayFormations);
        print_r($message);
        $io->writeln('Test');
        return 0;
    }

    private function getFormations()
    {
        $jsonPartOne = json_decode(file_get_contents(PATH_typo3conf . "ext/something/Ressources/Private/Assets/Json/apiPage1.json"), true);
        $jsonPartTwo = json_decode(file_get_contents(PATH_typo3conf . "ext/something/Ressources/Private/Assets/Json/apiPage2.json"), true);

        $jsonFormations = array_merge($jsonPartOne['elements'], $jsonPartTwo['elements']);

        return $jsonFormations;
    }

    private function importFormation(array $formations)
    {
        if (count($formations) === 0) {
            //TODO Erreur
            return;
        }

        $dataFormations = [];
        $dataGroupe = [];
        $dataformateurs = [];
        $dataFormationsGroupes = [];

        foreach ($formations as $formation) {
            $dataFormations[] = [
                'id_formation' => $formation['idFormation'],
                'nom' => $formation['nom'],
                'description' => $formation['description']['texteHtml'],
                'duree' => $formation['dureeFormation']['dureeEnHeures'],
            ];
        }

        $objectManager = GeneralUtility::makeInstance(ObjectManager::class);
        $importer = $objectManager->get(\Cobweb\ExternalImport\Importer::class);
        $importer->getExtensionConfiguration();
        $importer->setContext('cli');
        $importer->setDebug(true);
        $importer->setVerbose(true);
        return $importer->import('tx_something_domain_model_formation', 0, $dataFormations);
    }
}