There could be a few reasons for this. Firstly, it could be due to a technical issue with the platform or app where the posts are being viewed. It's also possible that the user has deleted all of their previous posts. Another possibility is that the posts have been hidden or marked as private by the user.
If the issue is due to a technical problem, it's best to contact the platform or app's technical support team for assistance. If the user has deleted their posts, unfortunately there is no way to retrieve them. However, if the posts have been hidden or marked as private, the user can change their privacy settings to make them visible again.
It depends on the privacy settings of the user. If the posts have been marked as private, then only the user can see them. If the posts have been hidden, other users may still be able to see them depending on the platform's privacy settings.
If the posts were hidden or marked as private, they will only reappear if the user changes their privacy settings. If the posts were deleted, they will not reappear.
If the issue is due to a technical problem, it's best to report it to the platform's technical support team. To prevent posts from being deleted or hidden, it's important for users to regularly review and update their privacy settings to ensure their posts are visible to the desired audience.