06bf4f40a7e2320efd7319ccca5f3156 *db2000-08-25d1t1.shn 3a1ce9c720eec9c441024004fec78b46 *db2000-08-25d1t2.shn 6f3e8cf44980c7c22f59efc493d6350b *db2000-08-25d1t3.shn 09be67bfe3856bddd0bed120db6afd1d *db2000-08-25d1t4.shn App\Http\Controllers\Api\FileDownloadController::download(): Return value must be of type string, none returned