0c3b1b7fdf579aee94d8f365b997e801 *um2003-11-26d1t08.shn 716608ba81572927fe6e7dfbee3a2163 *um2003-11-26d1t01.shn d57e3b97e6d2715cb4b338f0cceebabc *um2003-11-26d1t02.shn 5e8c7c5e71407e327b6105dc7cbe9f70 *um2003-11-26d1t03.shn 30c6379ea121e606e1c51605bece805f *um2003-11-26d1t04.shn a5039af54fdd2f948361da4800b92994 *um2003-11-26d1t05.shn c2f73e581d96f73c701f236367e78c09 *um2003-11-26d1t06.shn f84e138e22c3612c9204f81252fcd1bf *um2003-11-26d1t07.shn App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned