7818d3eb53fadaa8f3f1c5091469f49c *ph99-9-10d3t04.shn 25aa7ee44aabb6f2619662a0636ae7ed *ph99-9-10d3t01.shn c41eba249feae03571e00844a6ef05c6 *ph99-9-10d3t02.shn a47ddf9d5062a82b21a9fc33c447aca8 *ph99-9-10d3t03.shn App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned