Unable to load dynamic library phalcon.so

Hello, I have problems with 1.1.0 installation on FreeBSD

PHP Warning:  PHP Startup: Unable to load dynamic library '/usr/local/lib/php/20090626/phalcon.so' - /usr/local/lib/php/20090626 phalcon.so: Undefined symbol "zend_new_interned_string" in Unknown on line 0

Why it happened?

P.S. Sorry my english bad