5f2b7fe69c85c6cf0d60c886293e0988 *jgb92-07-31d2t01.shn df933b9029c8b6ea7d2eedf9b128f63d *jgb92-07-31d2t02.shn 45f0d4f936fe96e9ad29712581ed7df9 *jgb92-07-31d2t03.shn dd8bfe95aa1694760936173a0aeefaf2 *jgb92-07-31d2t04.shn db9c0555f600784dcf457816f210ba57 *jgb92-07-31d2t05.shn 221684046c3b52275d26619affac8680 *jgb92-07-31d2t06.shn App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned