23a876194b03bbfbec2fa9773d8af2b2 *sci2001-07-01d3t1.shn e473182fece901e17ac277d5a51f80d5 *sci2001-07-01d3t2.shn e2b7676affe03a4fc7c6fc79b38e9af2 *sci2001-07-01d3t3.shn 4274e2eb2217d1295e1efa9cebf7c680 *sci2001-07-01d3t4.shn App\Http\Controllers\Api\FileDownloadController::download(): Return value must be of type string, none returned