It could be that your Instagram app is outdated.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.
Sometimes, Instagram has glitches or is undergoing maintenance. Wait for a while and then try adding to your story. Another possibility is that you haven't given the necessary permissions for the app to access your camera or storage.
Maybe it's a glitch in the app. Sometimes these things happen and it'll sort itself out after a while.
Maybe there's a problem with your internet connection. Check if your Wi-Fi or mobile data is working properly.
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 Also, check if you have the latest version of the app installed; outdated versions might have bugs causing this problem.
Maybe there's a glitch in the app. Sometimes these things happen and you just have to wait for an update to fix it.
It could be that your account doesn't have the necessary permissions or you haven't met the requirements for adding links. Check the app's settings and rules for more info.
Maybe there's a glitch in the app. Sometimes these things happen randomly. Try restarting your device or reinstalling the app.
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 or your device settings aren't allowing it.
Maybe there's a problem with your internet connection. Try reconnecting and see if that helps.
Maybe it's a technical glitch. Sometimes the app has bugs that prevent the music feature from working properly.