To contact TimeWall regarding an issue with an Offer hosted on their Offerwall, go to the Freecash Earn page here, scroll down to “Offer Partners” and open up their Offerwall. You can also open their Offerwall by clicking here.
On the the left hand panel click the Speech Bubble Icon.
This will open the Support page, and from there you can start a conversation by clicking the chat button.
Additionally, you can also reach out to them via their contact page: https://timewall.io/contactus