wsp2013-01-26d01t01.flac:be229e1fc24c493715db267f5146bc60 wsp2013-01-26d01t02.flac:39f16b9a31f5420db4822d866311b6df wsp2013-01-26d01t03.flac:cb7b10361acdbec7d5c9310372b289eb wsp2013-01-26d01t04.flac:4af87b1a5beb2351e07ba1db5ac1bb74 App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned