2955c01faf750ef8ba15fe0ecdcddc51 *gd78-01-31d2t03.shn 78ee109a55517fc4b26863f80c80a72e *gd78-01-31d2t02.shn 981ec08bae19c12cc939525887882cb0 *gd78-01-31d2t01.shn 6862b400ba6dc85b073be4ea8c1e2208 *gd78-01-31d2t04.shn App\Http\Controllers\Api\FileDownloadController::download(): Return value must be of type string, none returned