401118a7ea8610b07f6db2add9ed38d2 *db99-04-21d2t01.shn 53a7bfab6da8bb45aed6944c5a16e713 *db99-04-21d2t02.shn 1d1f8fc0e02b32cdf8761e7a09983f4a *db99-04-21d2t04.shn 850202d0102023ac27293718ecf99e3d *db99-04-21d2t03.shn App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned