The Photography Plan, which includes Photoshop and Lightroom, costs around $10 a month. If you have a payment issue, you need to contact Adobe to discuss it, this is are a user-to-user support forum and we can't discuss payment issues. Beware of scam emails, purporting to come from Adobe though.
yes, that looks like an error. to clarify contact adobe support. there are 2 ways to contact adobe; chat and twitter:
chat: use a browser that allows popups and cookies and click here, https://helpx.adobe.com/contact.html?rghtup=autoOpen in the chat field (lower right), type AGENT be patient, it can take quite a while to reach a human.