Above statement appears when I try to post a listing?? Any ideas on Why?

What does IMMEDIATE PAYMENT mean in your title for this post? Are you trying to add Immediate Payment to the listing?

Looks like something is missing or invalid. Please fix any issues and try again. Immediate Payment | Ask a Mentor

Looks like something is missing or invalid. Please fix any issues and try again. Immediate Payment | Ask a Mentor | eBay Community