ad0309624a7572460dd7a8dd83134d5b *db2003-08-12d2t01.shn 8d3b7eed1a61ee85fec23474816ee254 *db2003-08-12d2t02.shn d378beed6cfc66af363b1d19f09a683e *db2003-08-12d2t03.shn 1ade0b9f753c4d409636dd609e5f1294 *db2003-08-12d2t04.shn App\Http\Controllers\Api\FileDownloadController::download(): Return value must be of type string, none returned