K3s with traefik not trusting lets encrypt certificates using certmanager

Traefik Traefik v3 (latest)
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cert-manager-clusterissuers Error initializing issuer: Get "https://acme-v02.api.letsencrypt.org/directory": tls: failed to verify certificate: x509: certificate is valid for c27314d8be10ed69c4270dffed272e68.5b69e16703319297937067041542219e.traefik.default, not acme-v02.api.letsencrypt.org
Warning ErrInitIssuer 2m35s (x9 over 17m) cert-manager-clusterissuers Error initializing issuer: Get "https://acme-v02.api.letsencrypt.org/directory": tls: failed to verify certificate: x509: certificate is valid for c27314d8be10ed69c4270dffed272e68.5b69e16703319297937067041542219e.traefik.default, not acme-v02.api.letsencrypt.org

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Did you check the doc?

And it’s hard to debug if you don’t share your config.