fcc40c607a633b45488929b8d5abe827 *db1999-10-06d1t01.shn ce68c9f0f48e2e69d6fd0a15ad2764ab *db1999-10-06d1t02.shn df6abfc4d371704e579674ccdf68bce4 *db1999-10-06d1t03.shn 58890943e21bd2251c5179e0fc832f70 *db1999-10-06d1t04.shn f1e034afaad6083a01d8f2d769951d02 *db1999-10-06d1t05.shn 3fffbbc01add0ca3611b3ad00e7c1222 *db1999-10-06d1t06.shn App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned