The error message "Reservation for 1 people cannot accommodate 2 companions" means that you are trying to add a companion to a reservation originally made for one guest.
In order to fix it, follow these steps:
- Go to the reservation you want to update.
- Navigate to the Properties tab.
- Add the number of guests you need in each age category.
- Click Ok.
To learn more about changing reservation details, check this article: How to change the reservation details in Mews Operations.