traffic1970-06-27ad1t01.flac:112d891fc1fc1978b17c190f14dfe820 traffic1970-06-27ad1t02.flac:487d666b3bc2d7d2d87c7e2602fa11d5 traffic1970-06-27ad1t03.flac:3d197e58771b1a8455944c4db61ce467 traffic1970-06-27ad1t04.flac:7c2202f0b6a899aa53cca25fa4fc4641 traffic1970-06-27ad1t05.flac:345b037b54e692647402cc4424865121 traffic1970-06-27ad1t06.flac:b0b30f5de809ff3e90d065bc227ba10b traffic1970-06-27ad1t07.flac:015ee6bcb9c836739b6859432221759e traffic1970-06-27ad1t08.flac:89206b49e64a3a06dd25ee13e48e9124 traffic1970-06-27ad1t09.flac:4d97a6078b269e40056503226053224c traffic1970-06-27ad1t10.flac:91a63a537d19889a9b81401e0d4ea4a7 App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned