71b119ad6f393d615f3a15932435c6c1 *db2000-12-03d4t01.shn 242c21af9bf37b6f44e2cac9d71b429d *db2000-12-03d4t02.shn 74dd6cc07c68f536d55282ef91ba9225 *db2000-12-03d4t03.shn 02221bb9a86b125ad9bba036649fc8db *db2000-12-03d4t04.shn App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned