Call to a member function getBehavior() on null

[anashasabelnabi]

i already do all of this tutorial but when i need to get uploaded image an error occurred
Call to a member function getBehavior() on null

getBehavior('galleryBehavior')->getImages() as $image) { echo Html::img($image->getUrl('medium')); } ?>

[zxbodya]

it is outside of the extension… - looks like the object on which you are trying to get behavior is null

[anashasabelnabi]

Error is done but still not printing anything i use foreach in index view of product controller which have model Product
<?php

    foreach($model->getBehavior('galleryBehavior')->getImages() as $image) {
        echo Html::img($image->getUrl('medium'));
    }
    ?></b>

[zxbodya]

from my understanding of what is happening, it looks like $model is null in when trying to use in a view, probably there is something wrong in the controller when loading it

[anashasabelnabi]

Do you have zoom account ?

[anashasabelnabi]

[anashasabelnabi]

Controller , model , view to show uploaded image , view to upload image