I paid VAT a sale twice, how do i adjust for it in this quarter.

I had a quickbooks accounts and paid my VAT due for that quarter, I then restarted a new quickbooks account and paid the VAT for the same sale on that one as well, it was confusing because the sale was made on the 27th of sept but payment wasn't made until the next quarter. 

So how do i go about claiming the £630 back that I paid twice, nearly 9 months ago, regards