What is the shop or customer experiencing: Unable to connect Custom Domain

What error messages are there: {Error adding domains to service: HTTP request returned status code 409: {"msg":"Duplicate record","detail":"Duplicate domain: 'shopbluetaylor.com'"}

Did you replicate: Replicated and getting the same error

What settings were checked:

Checked Custom Domain is not setup

Provide Relevant Details.

Shop Domain: 'shopbluetaylor.com