# JCE Editor Error: "Class 'JObject' not found" in Joomla 5.4.1

## PROBLEM DESCRIPTION

When attempting to edit or insert a link using JCE Editor in Joomla 5.4.1, the following error appears:
```
An error has occurred.
Class "JObject" not found
```

This error occurs in:
- Joomla article editing (com_content)
- jDownloads category editing (com_jdownloads)
- Any context where JCE link functionality is used

## ENVIRONMENT

- **Joomla:** 5.4.1
- **JCE Editor:** 2.9.96
- **PHP:** 8.4
- **Server:** Apache + Cloudflare

## ROOT CAUSE

JCE Editor 2.9.96 still uses the obsolete `JObject` class that was deprecated in Joomla 3.x and removed in Joomla 4.0+.

In Joomla 5.x, this class is only available if the **"Behaviour - Backward Compatibility"** plugin is enabled.

## TEMPORARY SOLUTION

Enable the backward compatibility plugin:
```
System → Plugin → Behavior - Backward Compatibility → Enable - It was disabled for possible migration to J6
```

This resolves the error immediately.

## REQUEST

**Update JCE Editor to remove legacy code dependencies (JObject and other obsolete classes) and achieve native compatibility with Joomla 5.x without requiring the backward compatibility plugin.**

### Justification:
1. The "Backward Compatibility" plugin will be removed in Joomla 6.x
2. Best practices: use `Joomla\CMS\Object\CMSObject` instead of `JObject`
3. Ensure future compatibility with Joomla 6.x

## LIKELY AFFECTED FILES

Search suggestion for the developer:
```bash
grep -r "extends JObject" /administrator/components/com_jce/
grep -r "new JObject" /plugins/editors/jce/
grep -r "JObject" /administrator/components/com_jce/ --include="*.php"
```

## SUGGESTED REPLACEMENT
```php
// BEFORE (obsolete)
class MyClass extends JObject

// AFTER (Joomla 4/5/6)
use Joomla\CMS\Object\CMSObject;
class MyClass extends CMSObject
```

## IMPACT

- **Severity:** Medium-High
- **Affected users:** All JCE users on Joomla 5.x without the compatibility plugin
- **Workaround:** Available (enable compatibility plugin)
- **Urgency:** High (preparation for Joomla 6.x)

## ADDITIONAL INFORMATION

- Error reproducible on clean Joomla 5.4.1 + JCE 2.9.96 installation
- Does not occur with TinyMCE (Joomla's native editor)
- The compatibility plugin solves the problem but is an undesirable long-term dependency

Hi Ryan,

Thanks for your kind reply,

I've managed to isolate the problem and find the culprits. It does indeed have to do with JCE Editor, especially the pro plugins. In this case, I've found that JCE WidgetKit Popups, JCE WidgetKit2 Popups, and JCE RokBox Popups are causing this issue. They require the backward compatibility plugin.

Temporary solution: disable/uninstall plugins

I have them all installed for verification of the Spanish translation.

With these three JCE plugins and the backward compatibility plugin disabled, the editor works perfectly!

Kindest Regards,

Here's the analysis