I complete an Zimbra mail system but some service can not work. That includes mta anh spell. When I stop and start services (use zmcontrol stop anh zmcontrol start), i received the attention below

Host abc.com. abc.com
Starting ldap...Done.
Starting logger...Done.
Starting mailbox...Done.
Starting antispam...Done.
Starting antivirus...Done.
Starting snmp...Done.
Starting spell...FAILED
httpd: Syntax error on line 232 of /opt/zimbra/conf/httpd.conf: Cannot load /opt/zimbra/httpd-2.2.8/modules/libphp5.so into server: /opt/zimbra/httpd-2.2.8/modules/libphp5.so: cannot restore segment prot after reloc: Permission denied


Starting mta...Done.
Starting stats...Done.
How can I make its work?

Thank