ff01b1b5793862e00449b9d3414a579c *jgb93-11-03d3t01.shn 9a5b4591323cf65d1a8c92346f793006 *jgb93-11-03d3t02.shn 9156a760ae33d6f57f8fbd0e405607bf *jgb93-11-03d3t03.shn e3111c7697468728de42987b73cc0fcd *jgb93-11-03d3t04.shn App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned