PHP Warning on some administration pages: ID already defined.

Open on Drupal.org →

Created on 25 January 2024, about 1 year ago

Problem/Motivation

Good morning everyone, while performing a fresh installation of Drupal 10.2.2 on a local machine, on some administration pages (configuring the Event and Error Log with 'All messages'), I receive the following Warning: Warning: DOMElement::setIdAttribute(): ID already defined in Masterminds\HTML5\Parser\DOMTreeBuilder->startTag().
In fact, by going for example to the 'Structure > Block Layout' page and inspecting the page, I found duplicated HTML IDs for some elements, such as <div id="edit-blocks-region-header-title"> and the subsequent link <a id="edit-blocks-region-header-title">.

Steps to reproduce

In some different configurations, the issue seems not to occur, anyway, here are the steps:
- Download and manually install Drupal 10.2.2 with a basic installation
- Enable all error reporting
- Navigate to the 'Structure > Block Layout' page or edit a new node

Proposed resolution

Remove duplicated HTML IDs

🐛 Bug report

Status

Active

Version

10.2 ✨

Component

Last updated about 1 hour ago

Maintained by
🇺🇸United States @effulgentsia
🇬🇧United Kingdom @catch
🇬🇧United Kingdom @alexpott
🇦🇺Australia @larowlan
🇺🇸United States @bnjmnm
🇫🇷France @nod_
🇪🇸Spain @ckrina
🇬🇧United Kingdom @justafish

Created by

🇮🇹Italy davidebarbato

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Comments & Activities

Issue created by @davidebarbato
Issue was unassigned.
Comment about 1 year ago →
🇮🇹Italy davidebarbato
Comment about 1 year ago →
🇬🇧United Kingdom longwave UK
What theme are you using that produces the duplicate IDs?
Status changed to Postponed: needs info about 1 year ago8:29pm 25 January 2024
Comment about 1 year ago →
cilefen
Unfortunately I cannot reproduce this with the steps as written. There must be additional steps to reveal the bug.
Comment about 1 year ago →
🇮🇹Italy davidebarbato
The admin theme is Claro, but changing theme still give me duplicate IDs
Comment about 1 year ago →
🇮🇹Italy davidebarbato
Status changed to Active about 1 year ago9:53pm 25 January 2024
Comment about 1 year ago →
cilefen
There is definitely a duplicate ID in that place—I see the same on an install now that I'm looking at the DOM. I guess automated tests do not trigger this DOM error?

Anyway, you mentioned multiple cases of this. They could have different causes. Can you please list the ones you know about and for each one, indicate the duplicate ID?

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