Cannot add a new addondomain in WHM panel

(XID a57bw8) Sorry, the domain is already pointed to an IP address that does not appear to use DNS servers associated with this server. in WHM panel

Visit this area in WHM panel:

1. WebHost Manager »Server Configuration »Tweak Settings, Domains tab:

2. Enable the following setting

How can i do When Disk quota exceeded into Cpanel or WHM

The system failed to open the session file "var/cpanel/session/raw:***" because of an error : Disk quota exceeded at /usr/local/cpanel/Cpanel/session.pm line 268

1. Use : Download winscp (https://winscp.net/eng/download.php)
2. Install and connect your FTP account or WHM account then remove some files.
3. Finish!!!