bda030aa465f31d259785979aefe4c46 *um2002-06-29d2t01.shn 810ee2069bc1203b0224a4b93c730bfb *um2002-06-29d2t02.shn 42e3645277cc5c3cd4ff416d420a4c97 *um2002-06-29d2t03.shn 101de989726b6473bc8114af4a7d6507 *um2002-06-29d2t04.shn b289b6d120ae2939f74e849256f118c7 *um2002-06-29d2t05.shn App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned