My customers are unable to sign in. We tried setting their passwords after they created an account (via sending an email to our support email) and directed them to this page to sign in: https://woo-lightspeed.zendesk.com/access/unauthenticated?theme=hc and when they try to sign in they get this message: "{"error":"Couldn't authenticate you"}".
What is the work-flow to allow customers to sign in and view their support tickets? Does my subscription not allow that or am I missing something else?

Hi Francisco -
In Rafi's case, the issue was that their plan did not include the Customer Requests Portal.
You have to be on Guide Professional in order for customers to see their Requests on the Help Center.