ece769ad7013f31a2f816558a3875284 *bt94-08-30d2t01.shn 7ce166d1203b5b42c41cafd7701bafe5 *bt94-08-30d2t02.shn 09d0907c5ce7f70a5cca4593c3ea9bfd *bt94-08-30d2t03.shn App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned