session expired error no orders

[Guest]

Hey guys,

 

I am sure this is something easy. But everytime someone tries to by something on the website I get this.

 

 

For your protection, your session has expired. Please close this window and log in again.

If you are seeing this message unexpectedly, you may need to delete your browser cookies and try again.

 

And consequently no order is placed.

 

How do i fix it?

 

Derek