um2012-09-05ak50s1t01.flac:054e654a642cb5775e9c6843b6b9359f um2012-09-05ak50s1t02.flac:3abd7e920711d345198fdcef479f7fe2 um2012-09-05ak50s1t03.flac:3dd9251b1a58c85fa5f6fdc6281df2bd um2012-09-05ak50s1t04.flac:525d352a07d4de9f3c2e000bc26a64d0 um2012-09-05ak50s1t05.flac:c097a955b73d8b29e8b82b74bd2e0e48 um2012-09-05ak50s1t06.flac:e8e8f1f6354c785baf37a8a42500ee7e um2012-09-05ak50s1t07.flac:a0084909a77405913bcd2c46094367cb um2012-09-05ak50s1t08.flac:a0d9dc148017886cf5ce7dde03d99502 um2012-09-05ak50s2t01.flac:f099bd44d67289c522795c9a34d8d9ab um2012-09-05ak50s2t02.flac:6e04a38d8a34420feaff60d3d01c5165 um2012-09-05ak50s2t03.flac:733d46204cd73748e822d56885285b09 um2012-09-05ak50s2t04.flac:1ea6ef43c962b6496e6a101ffc807fea um2012-09-05ak50s2t05.flac:b7d008b44f4ea89b6f50c9c1fbcd2c30 um2012-09-05ak50s2t06.flac:df6a3692f295f68c0e51f659724b59b2 um2012-09-05ak50s2t07.flac:1862a71014f7cd31763ad913428db0b6 um2012-09-05ak50s2t08.flac:8b30a0f1b54196b7cb9281308d2bd321 um2012-09-05ak50s2t09.flac:7825a6161c11b23b9005439139c864d8 um2012-09-05ak50s2t10.flac:f2ac7a8f98eaeec99d1f6b7736a61b45 um2012-09-05ak50s2t11.flac:483e879d00447c82850a2b4ec04b8c4d App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned