sci2014-09-04d01t01.flac:d04b56f02d369c7c918dcf3ef151ecd9 sci2014-09-04d01t02.flac:b328969fb83c4d1a14ab03601542168a sci2014-09-04d01t03.flac:7e2028f9f8f8f0004ee344b83ae8a097 sci2014-09-04d01t04.flac:862304646ccda6b8cf39d266b484be2c sci2014-09-04d01t05.flac:a9a0070085087880c66153f47a7af541 sci2014-09-04d01t06.flac:4b57f7c21410d1d5b168b5a6cd9bf618 sci2014-09-04d01t07.flac:139dcb101d184f849a9d30c8b018406d sci2014-09-04d01t08.flac:62afce2a8272ce3f0dd94b8af426b96d App\Http\Controllers\Api\FileDownloadController::download(): Return value must be of type string, none returned