It could be that the post doesn't meet the platform's criteria for tagging. Maybe it's the wrong format, or there are certain restrictions based on the content or your account status. Have a look at the platform's guidelines for more info.
Sometimes, it could be a temporary issue with the app. Try restarting your device or waiting a while and then attempting to add the tagged post again. Also, make sure you have the latest version of the app installed.
It could be that the tags you used are not allowed or there are some specific settings preventing it. Check the platform's guidelines and make sure your post meets all the requirements.
The inability to add a tagged story to your story could be related to the source of the tagged story. If it comes from a restricted or untrusted source, the system may block it. Additionally, your account might not have the necessary permissions. For instance, if you are on a trial version of a service, certain features like adding tagged stories might be disabled.
Maybe there's a technical glitch or a setting you haven't enabled. Check for any error messages or update your app.
It could be that the post was set to private by the original poster or there are some platform-specific restrictions. Also, your account might not meet the requirements for sharing such posts. Try looking for error messages or guidelines within the app for more info.
It could be that the story doesn't meet the specific criteria for tagging or adding to your collection. Also, make sure you have the necessary permissions and that your collection isn't full.
Maybe there's a technical glitch or a setting that you haven't configured correctly.
Maybe there's a technical glitch or your app version is outdated. Try updating the app and see if that works.
Maybe there's a technical glitch or a bug in the system. Check if your internet connection is stable and try again later.
Maybe there's a technical glitch or a setting that's preventing you from doing so. Check if there are any specific rules or restrictions related to tagging and adding to the story.
Maybe there's a technical glitch. Sometimes, these things just happen randomly and can be fixed after a while.