Sync error BeDV4JXbwP0

Hello, I keep getting the following message when I sync my library : "Error downloading https://api.mendeley.com/annotations/8785a47d-fdc3-458e-96fc-7745bfb9c86b/ - server replied: Not Found (404). Error ID: BeDV4JXbwP0" It appears to have something to do with my annotations...but that is as much as I can figure out... Thanks, L