There could be a few reasons. Maybe your account doesn't have the necessary permissions, or the story owner has chosen to disable sharing for everyone. Another possibility is that there's a technical problem with Instagram at the moment.
Maybe there are some privacy settings preventing it. Check if the person's story has sharing restrictions.
Maybe there's a glitch in the app. Sometimes, Instagram has technical issues that prevent sharing.
Maybe it's because the person has restricted sharing of their story or you don't have the necessary permissions.
It could be that the person's story has certain copyright or privacy settings that don't allow it to be added. Also, the format or compatibility of the stories might not match.
Maybe there are copyright or permission issues. You need the owner's consent to incorporate their story.
Maybe there are some restrictions or technical issues. Check if you have the proper permissions or if the platform allows such additions.
Maybe they don't have permission or there's a technical glitch. Sometimes, it could also be that they don't know how to share it.
There could be a few reasons. It might be that the person has blocked you from seeing their stories, or they've set their account to private and haven't given you access. Also, a glitch in the Instagram app could be causing the issue.
Maybe it's because of Instagram's privacy and copyright policies. They have rules in place to protect users' content.
It might be that the person has set their stories to private and only allows specific people or followers to view them. Or, it could be a technical issue on your end or Instagram's servers.