I've updated Community Polls to 4.5.0 version and CjLib to 2.5.6. Something is wrong with CjLib, because is not working.
I've realized that I need to downgrade CjLib to 2.5.1 version in order to fix the problem. Any known compatibility problem with new 2.5.6 version?
I use Joomla 3.6.5. Thank you