I'm not good at English so I suspected that sometimes i miss something in Installation.
When I activated plugin, it's ok ... run normally but when i inserted this code
<?php DisplayVotes(get_the_ID()); ?>
into index.php themes file , when i open my homepage it's tell me
You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near ' '', '', '', '')' at line 1
please help me.