f925c3bc9dcfd6c40d41efc6c1d4ef4c *ph1999-12-18d2t4.shn eaab5741d421e915789668b0c98e7a69 *ph1999-12-18d2t2.shn a70580ca4af166067c984f5edd1da0d8 *ph1999-12-18d2t3.shn 2c28e4c2dcd53bf01b7f3f6bfa86c2d1 *ph1999-12-18d2t1.shn App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned