There might be restrictions based on the original poster's settings. If they chose to disable reposting, you won't be able to do it.
Maybe there's a technical glitch. Sometimes the app has bugs that prevent reposting.
Maybe your account has some restrictions or you don't have the necessary permissions.
It could be that the original poster has disabled the repost option. Also, your Instagram version might need an update to enable the repost feature.
It could be that you don't have the necessary permissions or your account settings don't allow it. Check your privacy and sharing settings to see if that's the problem.
Maybe it's because of Instagram's privacy settings or some technical glitch. Check your account settings and see if there's anything blocking the repost feature.
Maybe there's a glitch in the app or your account settings are preventing it. Check for updates and review your privacy and sharing settings.
Maybe it's because of Instagram's privacy and copyright policies. They have rules in place to protect users' content.
Maybe they don't have the option enabled on their Instagram or they don't know how to do it.
It could be that your story has some privacy settings preventing reposts. Or your friend's account might have some technical issues. Have them try reinstalling the app or checking their internet connection.
Maybe it's a glitch in the app. Sometimes Instagram has technical issues that prevent certain functions from working properly.
It could be that your account doesn't have the necessary permissions, or there could be copyright issues preventing the repost. Sometimes, it might also be due to technical glitches on the platform.