Acme Challenge failure

Support and Discussion General Discussion
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1

My domains do not actively have SSL certificates, especially for the www variants. I am also haveing an issue, as every certificate I issue, is being flagged as self signed.

I tried enforcing as SSL on a subdomain and it gave this error

aiting for verification…
Challenge failed for domain api.onemarketc.com
Challenge failed for domain www.api.onemarketc.com
http-01 challenge for api.onemarketc.com
http-01 challenge for www.api.onemarketc.com
Cleaning up challenges
Some challenges have failed.

What do I do please?

2

where dns are managed and www version is pointed?

3

My DNS is managed with contabo, and the WWW version is pointed to my IP address

4

try to run command on terminal and try?