There could be several reasons. Sometimes, it might be due to a glitch in the app. Another possibility is that your account settings are not configured correctly for posting to your story. You might want to double-check those settings.
Maybe there's a problem with your internet connection. Check if it's stable.
It could be that your IG app needs an update. Try updating it and see if that helps. Also, make sure you don't have any restrictions or violations on your account.
Maybe there's a technical glitch or your internet connection is unstable. Try refreshing the page or checking your network settings.
Sometimes, the platform itself might be experiencing issues. Wait for a while and try again later. Also, make sure you're following the platform's posting guidelines and rules.
Maybe there's a technical glitch. Sometimes the platform has temporary issues that prevent posting.
Maybe there's a technical glitch. Try restarting your device or the app to see if that helps.
Maybe there's a technical glitch. Sometimes, the platform might have temporary issues that prevent posting.
It could be that your internet connection is unstable. A weak connection might cause problems with sharing on IG. Also, check if your account settings are allowing sharing of posts to the story feature.
It could be that your internet connection is unstable. Poor connection can stop you from sharing on IG story. Also, check if you have the latest version of the app installed; outdated versions might have bugs.
Maybe there's a problem with your internet connection. Check if it's stable and working properly.
Maybe there's a glitch in the app. Try restarting your device or reinstalling the Instagram app.
There might be an issue with the post itself. For example, if it violates IG's community guidelines or has some incompatible format, it won't be shareable to your story.