f85518844faacad8c00d3cb4f8898e04 *db99-12-04d2t1.shn bce4cff7acccec56e38a326e93f11ad6 *db99-12-04d2t2.shn e2fc0aff3662a8a1912f6fdc837e71f4 *db99-12-04d2t3.shn App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned