Hi MN_Kitchens,

It isn't the kind of experience we want you to come across. 

To ensure we resolve your concern about deactivating customers get resolved the soonest, I recommend reaching out to our phone support team. One of the agents has a tool that can check the root cause of the issue, and they can create an investigation if need be.

Here's how:

1. Click the ? Help icon.
2. Go to the Search tab.
3. Click Contact Us.
4. Select Ask about something else.
5. You may type in I received an error message when trying to deactivate customers.
6. Click Continue.
7. Select either Chat with us or Schedule appointment.

Once the issue is resolved, you can check this article on how you can deactivate customers: Make a customer inactive and then active.

I'm always around whenever you have concerns about managing the customer list.