Unable to upgrade membership plus

[frost07]

I want to upgrade my membership plan to Plus, I have enough balance in my card that I have attached but there no option of charging .
It only shows a blank page . But I want to upgrade it using my card . 
Thanks

[NikolaS]

Hi Sadiul,

I checked and it seems that you are already in correspondence with our team on your support ticket. Please consider following up on the ticket so that our team can assist you further.

[frost07]

THANK YOU