0b58b20808ac8ab35f14f529a710096d *rd2007-10-31d2t04.shn 36c4e67d6324a906692f3266cce3c79b *rd2007-10-31d2t02.shn eacddb6e85b6032616ddc77cbb02c274 *rd2007-10-31d2t03.shn fb39553ee1311e1f0c482baaf8f9b4c5 *rd2007-10-31d2t01.shn App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned