From the manufacturer’s site:
Instructions - Drivers
Try to uninstall your driver and reinstall the most recent one (not overwrite, full uninstall as stated in the manual).
I don’t see anything special in the settings, maybe mouse events generated by the tablet are not interpreted correctly.
Try to start Gimp also (Wacom bamboo tablet freezes on synfig) or clear your profile (Why does my tablet not work in Synfig?)
Graphics tablet unresponsive to Synfig
Please use the search function in the forums as it is a common issue (search for ‘tablet’)