Warning: Illegal offset type in isset or empty

Hello, I get this warning (see private content)

I tested this with all plugins disabled except woodmart-related plugins, warning is still there.

On a default theme like twenty-twenty-two, there is no warning.

I contacted WPML support (because the path is from WPML plugin) but they said the cause is in the woodmart theme.
As on a default theme with only WPML/woocommerce enabled, there is no warning. I can see that once I activate woodmart the warning shows up.

Note visibile warnings are disabled on the site, I see it via Query Monitor.

I made a clone site where you can check it (see link in private content)

Can you check if this caused by Woodmart?

Thanks!!

Hello,

Could you please disable all plugins that are not related to our theme and provide us your admin and FTP access so we can check it?

Thank you in advance

I disabled plugins, except woocommerce and woodmart

How can we see these warnings on your website now? Could you please send us a screenshot?

Kind Regards

Yes, I disabled visible warnings in wp-config, because it is a multisite. This means the warnings would be shown on all my (production) sites, I don’t want visitors to see them.

I see that Query Monitor only works for super admin in Multisite so unfortunately you can’t use it.

Please find attached screenshot and more info in private content area.
The same warning appears 4 times, with same content.

Attachments:

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We need to be able to see these errors in order to fix them. If you can’t do this on your live website, please, create a staging clone where we will be able to do this.

Kind Regards

I figured out a way to make Query Monitor visible to you.
Now you can see in admin bar on top where the warnings appear.

See screenshot

Please note this is a multisite network. At the moment, I am not able to clone the whole network as a separate installation.
Please check the errors on the clone subsite I made, with help of Query Monitor. Let me know if that works. Thanks!

For additional info please view private content below.

Attachments:

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We applied patch 395239. Please, check how it works now.

Kind Regards

I confirm the PHP warnings are gone now. Thank you so much!!

Great, you are welcome!

Kind Regards

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