Failed to fetch sc-domain

[BenWortley]

Describe the bug

Hey,

Most of my sites are working apart from one.

For some reason, I get this error with my moreclicks.co.uk domain. It worked when Request Indexing was initially released, but it started having this error about a month ago.

Failed to fetch sc-domain:moreclicks.co.uk

When checking the network status this is what I see;