If you find the error on RVsitebuilder interface as the following;
- Blank Page Setting
- On step Design, all the texts are highlighted.
- Overlap content
Please follow the solution to fix the issue as below
1. edit file directadmin.conf
/usr/local/directadmin/conf/directadmin.conf check_referer=1 to check_referer=0
If 'check_referer' doesn't exist, please add it.
service directadmin restart