Uncaught TypeError: Cannot read properties of undefined (reading 'colSpan')

Created on 2 December 2021, almost 4 years ago
Updated 2 September 2025, 17 days ago

Problem/Motivation

Draggable table items do not drag. In console, the following error is displayed:
"Uncaught TypeError: Cannot read properties of undefined (reading 'colSpan')"

Steps to reproduce

Enable Gin as admin theme. Navigate to the Block layout page. Attempt to drag a block to a new order position.

Proposed resolution

I think the problem is in how the property of a jQuery element is addressed. I think the code just needs a small change.

Remaining tasks

Change the code.

User interface changes

None.

API changes

None.

Data model changes

None.

πŸ› Bug report
Status

Closed: cannot reproduce

Version

3.0

Component

Code

Created by

πŸ‡ΊπŸ‡ΈUnited States digitalfrontiersmedia Sarasota, FL

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It's likely this issue predates Contrib.social: some issue and comment data are missing.

  • πŸ‡²πŸ‡½Mexico dalin πŸ‡¨πŸ‡¦, πŸ‡²πŸ‡½, 🌍

    I _thought_ that I was running into this bug. But the core problem turned out to be that my "Full HTML" text format did not have the "Correct Faulty and Chopped off HTML". A table in a paragraph, when the paragraph was closed, showed a preview of the table, but there were unclosed HTML tags. After adding that filter, it was fine.

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