It could be that your account settings are restricting the sharing feature. Check your privacy and sharing settings to make sure everything is configured correctly. Also, make sure your post doesn't violate any platform rules.
Sometimes, it might be due to a poor internet connection. Ensure you have a stable network connection. If the problem persists, it could be a bug with the platform and you might want to contact their support for assistance.
It could be that your account settings are preventing the sharing or the post doesn't meet the platform's sharing criteria. Check both of these aspects.
One reason could be that the post is from a source that doesn't support story sharing. For instance, some business accounts or official pages may have disabled the option for their posts to be shared on personal stories. Additionally, there could be a problem with your device's settings, like if you have restricted permissions for the app in your device settings which could be preventing the sharing functionality.
First, check if the post is from a public or private account. Private accounts may not allow sharing to your story. Also, some platforms have community guidelines that restrict sharing certain types of content to stories. If the post violates any of those, sharing won't be possible. Additionally, make sure your app is up - to - date as an old version might have bugs preventing this functionality.
It could be that your post doesn't meet the platform's sharing guidelines. For example, if it contains inappropriate content or violates their terms of service.
It could be that you haven't met the requirements for sharing, like having a certain number of followers or not violating the platform's rules. Also, check if your account settings are allowing sharing.