Let's Encrypt create successfully ! But enter domain error !

[c0807i]

Please help me !

Certificate and Key Saved.

Details

Getting challenge for pubweb.vn from acme-server...
Waiting for domain verification...
Challenge is valid.
Getting challenge for www.xxxx.com from acme-server...
Waiting for domain verification...
Challenge is valid.
Generating 4096 bit RSA key for xxxx.com...
openssl genrsa 4096 > "/usr/local/directadmin/data/users/xxxx/domains/xxxx.com.key.new"
Generating RSA private key, 4096 bit long modulus
................++
.......................................................................................................................................++
e is 65537 (0x10001)
Checking Certificate Private key match... Match!
Certificate for xxxx.com has been created successfully!

But enter xxxx.com errror

 

[gate2vn]

You should include the exact error. Also make sure the domain has been working, not just updating dns.