WWE issued the following update for XBox 360 users:
We would like to notify WWE Network customers using Xbox 360 of an issue accessing certain pay-per-views and classic content after launching the WWE Network app for the first time. We are aggressively working on a solution.
In the mean time, if you are experiencing this issue, please do the following:
Go to Xbox Settings.
Set the Content Controls to allow for TV-14 content.
Save the settings and restart the WWE app.
This should allow visibility to the missing content.
For further information, please visit our help center.