Hi @tapichus
I believe the issues is this:
include_once(‘acf-gallery/acf-gallery.php’);
Why are you copying this code into your functions.php file? Do you understand that this is not a requirement for a standard WP install?
As for your comment:
“I copied the code in de page.php but i don´t show the gallery.”
I don’t understand what code you are using.
Please read the documentation. ACF is a very easy to use plugin with loads of code examples, please read them
Thanks
E
