To resolve this issue, try the following steps:

1. Check to make sure that you are signed in to the correct Microsoft account linked to OneDrive.


2. Check the OneDrive Desktop app settings, such as Music, Pictures, Documents, and any other folders you may have added.


3. Look for any settings, such as Hidden Files or Smart Files, that could limit your files or folders.


4. Check if there are any issues with your OneDrive storage space.


5. Sign out of your account and then sign back in.