while loading mod_xml_ldap module i found following error

2014-11-28 14:55:18.308438 [CRIT] switch_loadable_module.c:1391 Error Loading module /usr/local/freeswitch/mod/mod_xml_ldap.so /usr/local/freeswitch/mod/mod_xml_ldap.so: undefined symbol: lutil_sasl_interact

can help me to troubleshoot