68f4eac9730a4075d94e1a29795f067c *skb00-10-27d2t01.shn a58cf3ddaa55ad41af291844a172a029 *skb00-10-27d2t02.shn b71fd5ff816f3b7b1d13664124724291 *skb00-10-27d2t03.shn 467761b4f0f645bb59c22b376f2abc12 *skb00-10-27d2t04.shn App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned