Why is there an issue with the Blending Cup? 14 January 2026 23:20 Updated General error code appears if the Blending Cup is disengaged during a blend cycle. Related articles Can I use the nutribullet® Flex outdoors? What should I do if the charging port gets wet during cleaning? What can the nutribullet Power Core blender handle? How can you prevent Blade blockage? Why is there an odor coming from the Motor Base when it is in use?