Can't Access Image URL on Single Page

Question

I have the 404 page setup as a single in sections under page404.

I have a postImage field that pulls images from assets. It is assigned to the page404 field layout and it is assigned in the entry.

I tried the this template approach:

{% set notFound = craft.entries.section('page404') %}
<img src="{{ notFound.postImage.first().url }}" width="800" height="800" alt="">

but I keep getting the following error:

Impossible to access an attribute ("url") on a null variable

What am I doing wrong, and how should it be template?

Answer 1

You left off the .first().

{% set notFound = craft.entries.section('page404').first() %}

Without that, the Element Criteria Model will default to .find().

• first - Returns a single Entry Model.
• find - Returns an array of Entry Models.

It doesn't matter this this is a Single section! All Element Criteria Models have the same behavior, whether they're fetching data from a Single, Channel, or Structure.