0345e6df15e926236793f074bc2bc7eb *sts902-07-06d3t01.shn 06faed0d01b488edd6f575588e76715d *sts902-07-06d3t02.shn 4755a7ebc684dff068e6024752d374b5 *sts902-07-06d3t03.shn 6bb2460eeb637d8e729d9f7ccce35c3c *sts902-07-06d3t04.shn 2d7904d4289bf823f97fe5506a908f7b *sts902-07-06d3t05.shn App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned