Join Date: Aug 2011
Location: Barcelona, London, on a plane
Programs: IB+ Gold, TK E+, Hyatt Globalist, Marriott LTP, IHG Diamond
Posts: 14,184
Your case is a bit confusing to follow. Did you do 20 nights within 90 days?
If you did, then your case is valid. If you and WoH agents misunderstood the promo and/or you weren't really eligible, then you might be out of luck.