I am sorry to hear of this frustration. We're aware of this error and working to get it resolved. In the meantime, can you try the following troubleshooting steps for us?
Please note: Do not complete these steps if you have an active event that is using WePay. Please wait until the event is complete to do this.
Login to WePay, and make sure your account name is showing in the top left. You will see "My Profile" as an option from the dropdown menu. Under the Profile menu to the left, choose applications. Find Constant Contact in the list and choose to revoke access. Please remove all mentioned of access to CTCT if you have more than one.
Thanks for the feedback. At this time we do not have a timeframe as to when PayPal will be an option for donations. Please feel free to submit your idea here.