ac9201842964aac7784fdcdaa806c0a4 *sci2001-03-03d2t01.shn b8e4a260095658a23261683ed82ca33b *sci2001-03-03d2t02.shn f7d531cc677267c94beba1f1ce3f6b39 *sci2001-03-03d2t03.shn 6d3cf8ea6fbc27c3b1921393067bef5a *sci2001-03-03d2t04.shn 110ab7d4526136bb02050817a2eeb82b *sci2001-03-03d2t05.shn App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned