3530b03673c282f4b8cc44a05959254a [shntool] jcd2002-08-07d1t1.shn 4d4579e84fdcd971f1eccd24dd605f1b [shntool] jcd2002-08-07d1t2.shn ded846c7462752c2b9aaac38c77187e5 [shntool] jcd2002-08-07d1t3.shn 8fd27ae8f7882d84224ac16a7a855861 [shntool] jcd2002-08-07d1t4.shn App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned