Searching the forum for posts by SDS on this issue may help. If I remember correctly (I’m old, so that doesn’t always happen), the problem is usually associated with the email address used for the account.
Also, you should submit a ticket to let them know you aren’t getting the packs.
To be honest, you haven’t missed much. I know they tweeted about a guaranteed DD diamond this time but don’t hold your breath that it’s a good one.