It's possible that the person who posted the story highlights has restricted access to them. Maybe it's only visible to certain friends or followers. Another reason could be that your version of the app is outdated. Try updating it and see if that fixes the problem.
Maybe they have set their story highlights to private, or there could be a glitch with the app you're using.
It could be that you aren't friends or followers with that person, and they only allow certain people to see. Or, there might be a glitch in the app you're using.
Maybe there's a technical glitch or a problem with your app settings. Check for updates and make sure your permissions are correct.
Maybe there's a technical glitch or your account settings are not configured properly.
Could be that the feature is temporarily unavailable or there's an update needed for the app. Also, make sure your story is formatted correctly and doesn't violate any community rules that prevent it from being added to highlights.
Maybe there's a technical glitch or your app is not updated. Try restarting your device or updating the app to see if that fixes it.
Maybe there's a technical glitch or your account settings are not configured properly.
It might be because your account isn't authorized for that feature or there's a conflict with other settings on your device. Try restarting your device and the app to see if that helps.
It could be a feature provided by the platform you're using for sharing your story highlights. Maybe they updated their settings to give this visibility to users.
It could be that the story is not available in your region or there's a subscription requirement you haven't met. Sometimes, access rights can be limited.