There are a few steps you can take. Firstly, examine the post's properties. Is it a sponsored post or from a private account? If so, that might be why you can't share it. Try to find out if there are any sharing permissions associated with it. Secondly, check your own account status. Have you received any warnings or restrictions lately? If so, resolve those issues. Also, ensure your device has a stable internet connection. A weak connection can sometimes prevent sharing actions. Finally, if all else fails, reinstall the app, but be aware that you may lose some local data.
Well, start by making sure your app is up - to - date. Outdated apps can have all sorts of issues with sharing. Then, look at the post itself. If it's from a particular group or page, there might be rules against sharing to stories. You could try asking the owner of the post if they can adjust the settings. Another thing to do is to check if your account has any restrictions. If you've violated any terms, that could be stopping you from sharing. Clear your app cache too, as it might be causing problems.
First, check the privacy settings of the post. If it's set to private or has restricted sharing, you won't be able to share it. Change it if possible. Also, update your app as sometimes glitches in old versions can cause this. If it still doesn't work, contact the support of the platform.