Maybe it's because such stories are restricted or have some legal limitations.
Well, it could be that there aren't enough resources available or the topic is too sensitive and not allowed for requests. Sometimes, it might also be due to copyright issues.
Your account may not have the appropriate level of access. For example, it could be a premium feature and you don't have a premium subscription. Another possibility is that there are ongoing maintenance or technical issues on the server side.
It could be due to a technical glitch. Try restarting the app or refreshing the page. Also, ensure your device has a stable internet connection. If the problem persists, contact the support team of the relevant service to see if they can help.
Often, not being able to reply on a story is because it leaves too many questions unanswered or is presented in a way that makes it hard to formulate a response. Maybe the language is ambiguous or the context is missing.
Maybe it's against the platform's rules or the original author has restricted reposting.
Maybe it's because the platform doesn't have that feature enabled or there are some technical glitches.
Maybe there are legal restrictions or it involves personal privacy.
Maybe they don't have the permission or it's against some rules.
Maybe it's copyrighted and reposting is against the law.
Maybe there were copyright restrictions in place during that year.
Maybe it's because they don't understand the story well enough or have no clear thoughts about it.