4c13cf766b23407317f35eb71fe6f52c *particle2002-08-14d3t01.shn 2f4f43624e2c163bb76583624ed10d24 *particle2002-08-14d3t02.shn 83edf1146dd21233d8afdfa38a7dc715 *particle2002-08-14d3t03.shn App\Http\Controllers\Api\FileDownloadController::download(): Return value must be of type string, none returned