sci2016-08-12t01.flac:419820e120e9f1a1aa8d541587f14c91 sci2016-08-12t02.flac:a085997d342135eb59eca5fafec677ed sci2016-08-12t03.flac:7b37b2fd33f7bc11a8caa224e7243c5c sci2016-08-12t04.flac:a9cd0abd6797d602e79dfd0c1bc7a341 sci2016-08-12t05.flac:a9ee0e61cef7978cd03600fbe4e15711 sci2016-08-12t06.flac:c651df3924a28a69101fbbac5317c7d7 sci2016-08-12t07.flac:924270613dd666d8fff462c342642423 sci2016-08-12t08.flac:950db6ea9253499e13ee7bab4e306e0c sci2016-08-12t09.flac:40b5791cfb94a80cf12e102cd800ff6a sci2016-08-12t10.flac:c5918c4d4bd397d669dd24f27e820797 sci2016-08-12t11.flac:c52ac41612eea6f7c9e6a87862299bce App\Http\Controllers\Api\FileDownloadController::download(): Return value must be of type string, none returned