If you are using Cloudlinux on the server use bellow commands
cd /usr/local/directadmin/custombuild
./build update
./build update_da
./build set mod_ruid2 no
./build set webserver nginx_apache
./build set php1_mode lsphp
./build set php2_mode lsphp
./build set php3_mode lsphp
./build set php4_mode lsphp
./build nginx_apache
./build php
./build rewrite_confs