Similar Problem to others: Serial Number for V9 not recognized for upgrade

[Michael Maniates 0]

Similar problem.  Serial number for V9 not recognized when I attempt to upgrade.  May I message you additional details and have you work your magic?  Many thanks, Michael

[AllainU 0]

Hello @Michael Maniates,

Thank you for reaching out to us through our Community Forums!

An adjustment has been made on your account so please try entering again your Nitro Pro serial number in our Upgrade Portal.

Thank you for choosing Nitro and I hope this helps.