8bd060a5402ce86c295433299ace3dbd *db01-04-19d1t1.shn 1a92733f1a08182ccef2dcd24322d53e *db01-04-19d1t2.shn 2220a115764384b5149815ad22c30dea *db01-04-19d1t3.shn App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned