888fc16c8412ca22d6011f9bcc85be0c *skb2002-08-09d02t01.shn 46011349d197a4d40a4951529473c882 *skb2002-08-09d02t02.shn 6a5d17881ea6d663aadb9357f5075bdb *skb2002-08-09d02t03.shn 318c0630a10b70ecb67fa4fa4320747f *skb2002-08-09d02t04.shn cf1cc38536b88d47a84f2a0738f12f5c *skb2002-08-09d02t05.shn App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned