ezyVet shows a cannot be before/equal the start error when you save an appointment
ezyVet's system settings have an incorrect key shortcut in the Time Format box
The Time Format box of ezyVet's system settings cannot have a h:ma key shortcut. If the box has h:ma, appointments will show the error.
Enter the correct key shortcut
A practice manager or a person with the necessary administrator permissions must do these steps.
The appointment start time is after its end time
Make sure that the Start Time box and End Time box of an appointment have the correct times.