7b65c6197e62a7a8f7f2c8cd17a6190f *spr2001-12-10d1t01.shn 064e7feba2b706caecd3f67b24f6e746 *spr2001-12-10d1t02.shn eb1b3c206f3b5f40602617c2ac246e2a *spr2001-12-10d1t03.shn 393c3eb2e8e84f5f402c7a4196f311f5 *spr2001-12-10d1t04.shn d85369f0399ef34817c9012be9200de2 *spr2001-12-10d1t05.shn 293ac80a191dbaaad5db811c827f8d02 *spr2001-12-10d1t06.shn c0b305866d0f4279ac1f1d2b22ce9884 *spr2001-12-10d1t07.shn App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned