Server responded with a status of 409 (Conflict)

[kovax]

Failed to load resource: the server responded with a status of 409 (Conflict)
acme-v01.api.letsencrypt.org/acme/new-reg

[kovax]

Found: adblock issue (uBlock origin)

[sushcoder]

Failed to load resource: the server responded with a status of 409 (Conflict) for css file
what should i need to do to overcome this error

[Daniel Roesler]

There are no external css files with this project. I suspect you have a plugin or something that's injecting css.