edd8f4760c38c9ed5ad28e0b24d307ce *gw1991-12-07-d3t01.shn 628f0c9d49490701aea8ac49b4710004 *gw1991-12-07-d3t02.shn App\Http\Controllers\Api\FileDownloadController::download(): Return value must be of type string, none returned