Jan 14, 2018 10:07:16 PM by Bharat J
I could not bid, could not upgrade membership either.
Jan 15, 2018 12:01:17 AM by Goran V
Hi Bharat,
In order to be able to upgrade your membership plan you will need to connect a billing method on your profile so that we can charge you.
To learn more details on what type`s of billing methods are accepted check out this Help Article,