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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?

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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.

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  • Three items... 1) I no longer get an error. And I can print the body field using {{ notFound.body }} ...but... 2) The image using {{ notFound.postImage.first().url}} does not display, even though it is assigned. ...and 3) why is it possible to use {{entry.title}} or {{ entry.body}}` without defining entry -- and here I am using the crafty brewery or default news channel in Craft. – Hellyar Sep 14 '16 at 20:53
  • Do you have devMode enabled? I feel like some of these errors would be more apparent with that on. – Lindsey D♦ Sep 14 '16 at 21:02
  • Yes, and there is no error being thrown. – Hellyar Sep 14 '16 at 23:05
  • Strange. The thumb of the image appears in assets, with the correct file size. It appears in the entry. But it was not visible in assets when I tried to "view asset". I was also unable to "replace file". It said the file was "empty." Anyway, I assume that is just a quirk. I deleted the asset and uploaded another copy. Everything works now. Many thanks. – Hellyar Sep 14 '16 at 23:21

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