HELP - /zp-core/lib-utf8.php on line 50

lshq

Hello I'm just upgrading version 1.4.3.3 to 1.4.3.4 I'm previous upgrade before with no problem but I don't know what happen
I'm upload whole file follow introduction
http://www.zenphoto.org/news/installation-and-upgrading
(but I'm not sure if it problem with my internet make some file not complete upload?)

then I point URL to http://xxx/photo/zp-core/setup.php
it showing just

Fatal error: Call to undefined function gettext() in /home/xxx/public_html/photo/zp-core/lib-utf8.php on line 50

and can't continue, what I should looking for? Thank you so much

lshq

FIXED! I missed file in zp-core/lib-gettext