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I would chill out until you confirm the reason for decline and see if you can appeal for reconsideration.
They could have declined you over an ID issue or something. Don't take any more HP's with them until you know their reasons.
Doesnt seem 'normal' to me -
But I would just run with the approval and try to play it all the way through.
I wouldnt bring up the denial unless they do.
It still counts as a basket if it hits the rim and rolls around, as long as it goes through the net.