da8c94e5dd097491ea79fb82b47ee7dd *GD77-10-07D1T1.shn 794d794dfa0ac7d778d3ec4f706d3df6 *GD77-10-07D1T2.shn 2d7a9073113a2c7aea57159895815772 *GD77-10-07D1T3.shn f0b1ea9c2c6da474f35f086a9e674629 *GD77-10-07D1T4.shn App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned