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Then what's the question...?
If they're both EXACTLY identical, same ticket numbers on both, same seats, not a single digit difference, then you would be perfectly safe to discard one set. But if you're keeping both anyway, this is a non-issue.
Within an hour they've already managed to ruin things by pushing out the same broken app that GWR has been apologising for for 3 months... with none of the problems fixed.
We are aware of an issue with emails from the Forum to Microsoft-based email accounts (hotmail/outlook/live.com email addresses). This is being looked into currently, thanks for your patience meanwhile.