Update the plugin, it’s working for me after latest update
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Nope, I’m good.
It was just an errant “/” in the URL
Thanks tho. 
Thanks for the heads up. It works now
In my ui-lovelace.yaml I have
preload:
- hui-picture-elements-card
- decluttering-card
- picture-elements
This is the error I am getting
And this is how it looks in my conifg
- type: horizontal-stack
cards:
- type: custom:decluttering-card
template: parent_person
card:
type: picture-elements
image: '[[image]]'
elements:
- type: state-label
entity: '[[last_seen]]'
prefix: 'Last: '
style:
color: red
left: 35%
top: 70%
font-size: 16px
line-height: 14px
I’m sure I’m doing something wrong and it’s probably a simple fix but I just can’t seem to figure it out. Anyone have any idea?
Thanks
Cards should be referenced in the preload exactly the same as if you were referencing them in a card or view.
- Custom cards (these probably don’t need preloading) should be “custom:cardname”. For example, for the Decluttering Card use "custom:decluttering-card"
- Built-in cards can be reference in two ways
- Just using cardname so for the Picture Elements card just use picture-elements
- Using “custom:hui-cardname-card” so Picture Elements would be “custom:hui-picture-elements-card”
So, your configuration should just be either:
preload:
- picture-elements
or
preload:
- 'custom:hui-picture-elements-card'
The first one would be the cleaner way of doing it.
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Correct me if I’m wrong but do we need to preload built-in cardsonly if we use them in a non-standard way? I mean, if we just use them as described in the docs, they should work out of the box or there is a catch?
That’s correct, you should only need to preload them in one of these cases:
- You are using them in a non-standard way, for example using a built-in card as an entity row in an entities card like this:
type: entities
entities:
- entity: sensor.battery_level
type: 'custom:hui-gauge-card'
- You are using them in custom card that hasn’t been fully updated for the 0.107 changes (I believe the vertical-stack-in-card custom card is one of these).
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I’ve just released a new version (0.0.2). Not much has changed except that a couple of Node.js packages have been updated to fix some vulnerabilities and I have implemented some code which hides error messages from the console while preloading the cards.
This doesnt seem to work for me.
I just installed it from HACS, im using picture-elements in an entities-card.
I tried both
preload:
- picture-elements
and
preload:
- 'custom:hui-picture-elements-card'
and then refreshing the page/clearing cache, but i still get this
Am I missunderstanding anything?
What is the config of that card? With that I can try to replicate your issue and see what the problem is.
Use the Lovelace RAW editor. Where you have shown it is correct.
what i showed you was lovelace raw editor…
And as I said, what you have done is correct.
That doesn’t seem to work for me
- Installed Car Preloader via HACS
- Added the following lines in ui-lovelace under
resources:
- url: /hacsfiles/lovelace-card-preloader/lovelace-card-preloader.js
type: module
Tried to add
preload:
- picture-glance
just before views. Still fails for me…
Here is an example of my cards:
cards:
- !include /config/lovelace_views/persistent_notifications.yaml
- !include /config/lovelace_views/alert_card.yaml
- type: custom:vertical-stack-in-card
cards:
- type: gauge
unit_of_measurement: '%'
entity: sensor.cpu_usage
severity:
green: 0
yellow: 50
red: 85
- type: history-graph
entities:
- sensor.cpu_usage
What am I missing?
Why picture-glance ?
The gauge card is missing, so
preload:
- gauge
lol that’s because it was way past my bed time last night and I copied the wrong block to the wrong section
However even when correcting my mistake and setting
preload:
- gauge
it still doesn’t work and I don’t really know where to look as I don’t seem to get anything in the logs… 
Use the new location instead https://www.home-assistant.io/lovelace/yaml-mode/#advanced-configuration