7af27baf4688b6116828533512e6be08 *db1999-10-06d2t01.shn c091f8b09ee717e3c48c6c8b44ed4568 *db1999-10-06d2t02.shn 66c4bf2396c3d1948b1338baa2a37357 *db1999-10-06d2t03.shn a5927893a6b4e767c06b17daea803bb8 *db1999-10-06d2t04.shn App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned