Maybe there's a glitch in the app or your device settings aren't allowing it.
There could be several reasons. Maybe your internet connection is unstable, or the music you're trying to add isn't licensed for use on Insta stories. Another possibility is that there's a temporary issue with Instagram's music feature.
Maybe it's a technical glitch. Sometimes the app has bugs that prevent the music feature from working properly.
Maybe there's a glitch in the app. Sometimes these things happen and you just have to wait for an update to fix it.
Maybe it's a glitch in the app. Sometimes these things happen and it'll sort itself out after a while.
Maybe it's a technical glitch or a problem with your app version. Try updating the Instagram app and see if that helps.
It could be that the music rights are restricted in your region. Also, make sure your account settings allow for adding music to stories.
It could be that your Instagram app is outdated. Update it and see if that fixes the issue. Also, make sure you have enough storage space on your device.
Maybe there's a problem with your internet connection. Check if your Wi-Fi or mobile data is working properly.
Maybe there's a technical glitch or a temporary bug in the app. Sometimes these things happen and get fixed with updates.
Maybe there's a glitch in the app. Sometimes these things happen randomly. Try restarting your device or reinstalling the app.
It could be that your internet connection is unstable. Poor connectivity can stop you from adding to your Insta story. Also, check if you have the latest version of the app installed; outdated versions might have bugs causing this problem.