6fa1192ff09531318998f5e2ac1d0cac [shntool] gd69-01-24d1t01.shn c2169bbc46dd8b568292c59d0909975d [shntool] gd69-01-24d1t02.shn 7a18a1f34de9c6813642182f946dbf15 [shntool] gd69-01-24d1t03.shn 97ead8615d04f32fd8ba147e9a92caf5 [shntool] gd69-01-24d1t04.shn d10b6c9e93b1a74cf5dff1e4b7c610ab [shntool] gd69-01-24d1t05.shn ecc7c2a21eaaa7bdf4e0f5c59eeaa2af [shntool] gd69-01-24d1t06.shn App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned