1987c12aab0f34685c59b403bd3d8e61 *db99-08-21d2t1.shn f392ff88d930d9f1671c73e7c1ece96f *db99-08-21d2t2.shn 3dd9393be1cbdb4fc3a39feac638fbf0 *db99-08-21d2t3.shn e7216a751c413f24ef91316bbcdd1e91 *db99-08-21d2t4.shn 622e9508ad2423c497a3806c1222f102 *db99-08-21d2t5.shn 902bedd1364bee3beac6cce8eb402ab6 *db99-08-21d2t6.shn 8381480fbe0d06272a8e7fa6ce159527 *db99-08-21d2t7.shn a051b32cb0cd2e3d3a74ae6be05f5de3 *db99-08-21d2t8.shn App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned