Error when modifying reservation status

Hello, for some reason I cannot modify the status of the new reservations, I get the error shown in the image, I have deleted and installed the add-on again and everything remains the same, Any suggestions of what may have happened? Thanks and regards

https://i.postimg.cc/mZdTC3qZ/problem-salon.jpg

• This topic was modified 5 years, 6 months ago by carlosso.