Out of Bounds error when adding new section

Created on 1 October 2021, over 3 years ago

Updated 13 February 2023, almost 2 years ago

It looks like Drupal 9 has changed something in the order of operations when creating a new section in Layout Builder as I'm getting an OutOfBoundsException when I attempt to add a new one. The exact error is as follows:

OutOfBoundsException: Invalid delta "1" in Drupal\layout_builder\Field\LayoutSectionItemList->getSection() (line 41 of /var/www/html/web/core/modules/layout_builder/src/SectionStorage/SectionStorageTrait.php).

I've traced the cause back to the getSectionFromFormState method on the FormEntityHelperTrait class. Looks like if you call the getSection method on the section storage object and the section doesn't exist, this error is thrown. Simply checking the delta exists before accessing (or catching the error) and then returning NULL fixes the issue and retains the expected behaviour of this module.

I have a patch incoming doing the former, but it probably needs some review to see if my fix effects anything else (seems to work fine from my testing). Also might be worth looking into exactly what has actually changed in Layout Builder that's necessitating this change.

🐛 Bug report

Status

Fixed

Version

2.0

Component

Code

Created by

🇨🇦Canada johnjw59@gmail.com

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Drupal 9 compatibility

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Comment about 2 years ago →
🇪🇸Spain alvarodemendoza
The exception is thrown at Layout Builder SectionListTrait. Using other modules like CSS Grid along with Block Style Plugins makes this happen. This is because new sections also have a $delta value before being written to the SectionStorage. I found the best way to address this is to check if the delta exist on the SectionStorage instead of checking if the delta exists.
Comment almost 2 years ago →
System Message

segovia94 → committed b4325c8b on 8.x-2.x authored by AlvaroDeMendoza →
Issue #3240333 by AlvaroDeMendoza, segovia94: Out of Bounds error when...
Status changed to Fixed almost 2 years ago11:49pm 13 February 2023
Comment almost 2 years ago →
🇺🇸United States segovia94
Comment almost 2 years ago →
System Message
Automatically closed - issue fixed for 2 weeks with no activity.

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