a702c11d32c29b6ddde17d684303f77c *sci2001-07-22d1t1.shn 3794e2a7c1d00a1338f14955799e5532 *sci2001-07-22d1t2.shn f24f0cf4ca985033b4848d15dad994e1 *sci2001-07-22d1t3.shn dc3f04ddce2c93c2612534b70fe25386 *sci2001-07-22d1t4.shn b1a8ddd337c3bdc7226db5ad0b320083 *sci2001-07-22d1t5.shn 5e722863f275b34b70781265279bd39c *sci2001-07-22d1t6.shn 5ee254a49d88c3ff61597f3eaa4a1d85 *sci2001-07-22d1t7.shn App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned