If you get this error and a reboot/watchdog after updating the firmware of an Ewon Flexy or Cosy131, log out of the internal webpages, close the browser tab and log back in.
APPLICABLE PRODUCTS
Ewon Cosy / Flexy
ISSUE / QUESTION / SYMPTOM
Getting the error "ecfg-Invalid rights" in the Ewon event log.
The Ewon might be boot-looping as well.
POSSIBLE CAUSES / ANSWER
This error and reboot are most likely caused by the new cookies mechanism implemented in firmware 14.9s3 that is incompatible with the previous one that you are using when you keep your web session open to the Flexy or Cosy131.
Log out of the internal webpages, close the browser tab and log back in.