من برای نصب هندلر fastcgi در دایرکت ادمین custombuiild 1.2 رو به custombuild 2.0 ارتقا دادم ولی بعد از ارتقا آن squirrelmail دیگه کار نمیکنه و خطای زیر رو میده:
ERROR: Config file ' . '"config/config.php" not found. You need to ' . 'configure SquirrelMail before you can use it. '; exit; } // If we are, go ahead to the login page. header('Location: src/login.php'); ?>

فایل کانفیگ options.conf من به صورت زیر هست:

#PHP Settings
php1_release=5.4
php1_mode=fastcgi
php2_release=no
php2_mode=php-fpm
opcache=yes
htscanner=no
php_ini=no
php_timezone=America/New_York
php_ini_type=production
ioncube=yes
zend=yes
suhosin=no
x_mail_header=yes

#MySQL Settings
mysql=5.6
mysql_inst=mysql
mysql_backup=yes
mysql_backup_dir=/usr/local/directadmin/custombuild/mysql_backups
mysql_force_compile=no

#WEB Server Settings
webserver=apache
modsecurity=no
modsecurity_ruleset=comodo
apache_ver=2.4
apache_mpm=auto
mod_ruid2=no
harden_symlinks_patch=yes
use_hostname_for_alias=no
redirect_host=kvm.dns.parsdev.net
redirect_host_https=no

#WEB Applications Settings
phpmyadmin=yes
phpmyadmin_ver=4
squirrelmail=yes
roundcube=yes
webapps_inbox_prefix=no

#ClamAV-related Settings
clamav=yes
clamav_exim=yes
proftpd_uploadscan=yes
pureftpd_uploadscan=yes
suhosin_php_uploadscan=no

#Mail Settings
exim=yes
eximconf=no
eximconf_release=2.1
blockcracking=no
easy_spam_fighter=no
spamassassin=no
dovecot=yes
dovecot_conf=no
pigeonhole=no

#FTP Settings
ftpd=pureftpd

#Statistics Settings
awstats=no
webalizer=yes

#CustomBuild Settings
custombuild=2.0
autover=no
bold=yes
clean=yes
cleanapache=yes
clean_old_tarballs=yes
clean_old_webapps=yes
downloadserver=files.directadmin.com

#Cronjob Settings
cron=no
cron_frequency=weekly
email=email@domain.com
notifications=yes
da_autoupdate=no
updates=no
webapps_updates=yes

#CloudLinux Settings
cloudlinux=no
cagefs=no

#Advanced Settings
autoconf=yes
automake=yes
libtool=yes
curl=yes
new_pcre=no

با تشکر