Welcome to the Roku Community!
We understand that you are having an issue accessing your paid subscription with the History Vault channel, is that correct?
We can see that you’ve been in contact with our Support team regarding your subscription inquiry. Rest assured that I’ve escalated your Support request. Keep an eye on your email, a member of our Support team will be in contact. If you don't hear from them within the next 1-2 business days, please feel free to reach out again and We'll make sure you are taken care of.
We appreciate your patience in the meantime.