2♥ was alerted as weak, 2 NT natural, 4♥ was texas, 4NT was alerted as minors. Its an online partnership and not much agreement over 2 NT overcall except than "system on" EW system agreements; xfer followed by 4 NT =quant , texas followed by 4NT=rkcb. 5NT in competitive auctions = choice of slams.
What went wrong, if any, and would you wanna be in grand ?

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