WebSync Log file is needed in order to further investigate the data synchronization problems.
Please copy the log after failed data synchronization.
To open the Log:
Windows: Right-click WebSync icon in taskbar. Select Help → Log.
Mac OS X: Click WebSync icon in menubar. Select Help → Log.
Log file is replaced when the file size is over 1 MB.
Send the Log file to Polar Customer Care with detailed problem description.