Untrusted certificate error

[Dom395]

Dear community,

i have been using nextcloud for a while and now i always get this error certificate which I can not close. Any ideas what i can do?
Thanks for your help!

Cannot connect securely to beecloud.nextcloud.saas.netways.cloud:
The host name did not match any of the valid hosts for this certificate
The certificate is self-signed, and untrusted
with Certificate Kubernetes Ingress Controller Fake Certificate
Organization: Acme Co
Unit: <not specified>
Country: <not specified>
Fingerprint (SHA-256): d8:22:45:32:98:fb:c3:86:23:28:81:77:03:04:d3:7d:1a:d0:df:fb:94:5e:36:8e:31:94:f2:9f:8e:20:9c:94
Fingerprint (SHA-512): 3d:63:97:e8:7b:a7:94:8b:c4:c8:13:ec:35:fd:cf:31:bf:87:06:65:14:92:02:48:22:3e:54:01:28:35:ee:fa:f1:b5:67:09:f7:8d:ae:14:6a:ed:89:bc:5c:d9:aa:6d:60:9c:51:ce:ab:3c:7a:9b:da:97:39:aa:b7:90:2f:18

Effective Date: Wed Mar 26 14:48:31 2025 GMT
Expiration Date: Thu Mar 26 14:48:31 2026 GMT
Issuer: Kubernetes Ingress Controller Fake Certificate
Organization: Acme Co
Unit: 
Country:

[amateurkicker]

There is no trusted certificate installed so you get the warning.

[Dom395]

ok thanks for your fast reply! but i can not cancel it and i dont want to click on trust this certificate? or is that without risk in this case?

[amateurkicker]

Well, since you haven’t provided any information about your settings, I can’t comment on that.

It depends.
The certificate appears to be issued by Kubernetes. Are you familiar with that in your environment, etc.

If you don’t want this message, you need a trusted certificate. There are many guides you can search for, but something must have changed.