Problem

Sorry, configuration data has not been successfully stored.
Please execute the following command

[root@cpanel conf]# /scripts/buildhttpdconf
Sorry, configuration data has not been successfully stored.
Please execute the following commands:

/usr/local/cpanel/bin/apache_conf_distiller --store-data --defaults
touch /var/cpanel/conf/apache/success

Execute the apache_conf_distiller without any flags to see its full usage.

Solving

[root@cpanel conf]# /usr/local/cpanel/bin/apache_conf_distiller --store-data --defaults
Distilled successfully
[root@cpanel conf]# touch /var/cpanel/conf/apache/success
[root@cpanel conf]#
[root@cpanel conf]# /scripts/buildhttpdconf
Built /etc/apache2/conf/httpd.conf OK