4c2c1e5102cd1be288dab8ef5d88c876 *CH2001-12-23d2t05.shn 1471e98c859191e5205a0894339ee04d *CH2001-12-23d2t02.shn aa6af23a3bcf43659a61f5a7533367b7 *CH2001-12-23d2t03.shn 9c5bd5eb01a89c51cb20a8b0d04bb19d *CH2001-12-23d2t04.shn 9733e111079f7d155e4360d17bd0f9f7 *CH2001-12-23d2t01.shn App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned