I installed zimbra 8.0.5 64 bit on suse 11 server. zimbra spell was failed. When I run zmapachectl start commad

I get below error?

Any idea?

zmapachectl start

Starting apache...httpd: Syntax error on line 148 of /opt/zimbra/conf/httpd.conf: Cannot load modules/libphp5.so into server: /opt/zimbra/httpd/modules/libphp5.so: symbol gzopen64, version ZLIB_1.2.3.3 not defined in file libz.so.1 with link time reference