Problem Redeeming Download Access Code

Hi,
I purchased a upgrading license (Dorico SE to Dorico Elements 4) days ago and want to redeem it today, but the system shows dre-426 error.
I’m wondering what is going on.
Thanks.

Sorry to hear you’re having this problem. Could you please send me your DAC in a private message so I can take a look and see what might be going on?