2b8b18fcbba6af297a364a492c175f6a *porter00-12-16d3t01.shn 1ba27e0fabcd5ce0019ac09ebcfb919d *porter00-12-16d3t02.shn 64a8f92656d42da5dced47057435bdf8 *porter00-12-16d3t03.shn a70f741783af60efe7979e6459844dc9 *porter00-12-16d3t04.shn 4c1c6c3a2fdc24ff19ab08d6ae666e79 *porter00-12-16d3t05.shn bb09f715a20f1abeee7d27849032c4aa *porter00-12-16d3t06.shn App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned