エラー Class 'PhpOffice\PhpWord\PhpWord' not found My composer.json "php": ">=7.0.0", "abrigham/laravel-email-exceptions": "^1.3", "barryvdh/laravel-debugbar ": "^3.2", "barryvdh/laravel-dompdf": "^0.8.4", "ckfinder/ckfinder-laravel-package": "^3.5", "karlomikus/theme": "^1.0", "laravel /framework": "5.5. ", "laravel/socialite": "^3.0", "laravel/tinker": "~1.0", "laravelcollective/html": "^5.4.0", "leafo/scssphp": "^0.7.7", "maatwebsite/excel": "~2.1.0","nicolaslopezj/検索可能": "1.", "niklasravnsborg/laravel-pdf": "^3.1", "phpoffice/phpword": "^0.17.0", "shivella/laravel-bitly": "^1.0", "simplesoftwareio/simple-qrcode": " ^2.0", "sofa/laravel-global-scope": "^0.2.0", "yajra/laravel-datatables": "^1.0", "yajra/laravel-datatables-oracle": "^8.0"," zendframework/zend-escaper": "^2.6", "zendframework/zend-stdlib": "^3.2"