Hello,
Thanks for contacting us. We see that you probably have opened a support ticket from our website already, and so we suggest getting in touch with our colleagues directly from our site. Thank you!
Usually, the locations change when you have defined different opening times for some of them. However, there are many JavaScript functions that listen to the change events of the drop down menus for the locations, and so the behaviour you described may also be related to some conflicts with third party plugins. In this case, you should check the developer console of your browser to see if you find any JavaScript errors logged.
For such technical questions we kindly ask you to refer to the dedicated support board on our website. You probably got an answer from our colleagues already, so please feel free to get in touch should you have any questions. Thank you!
The VikWP Team