bf373935b1cc64fb40030723353f6bb9 *db1999-01-24d3t01.shn 3f429b6cd2c772e78cc3b0a9f66a1c39 *db1999-01-24d3t02.shn 46af4a77cf1eff8df09329e7b84209c4 *db1999-01-24d3t03.shn fa63c036a1ee2754b5d29b6e6256bc34 *db1999-01-24d3t04.shn App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned