99465821f32cc938d28556b09c22d9ee *nd01-10-19d1t02.shn 0df8c2fa7fe9f2e66efbcbadf3a80895 *nd01-10-19d1t01.shn 4c701729434bbccdffb6f63d91983b4d *nd01-10-19d1t03.shn 414b4324049305528863d69e61db1f20 *nd01-10-19d1t04.shn App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned