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I'm having the exact same error, but don't understand what you mean about it being related to the "DISCUSSBOT."

This is happening on a fresh install. The only things I added were the mod_gcalendar stuff which are running successfully on another site that is less than 2 weeks old.

I've also tried using my FTP to reinstall the referenced folders from the fresh install to make sure I didn't have any corrupt files. Since this is a fresh install, I'm tempted to wide the root and reinstall; however, I'm worried that the problem will show up again.

Any word on how you solved it?

Thanks

I never did solve this problem directly. I ended up having to delete everything and completely re-FTP and install Joomla again.

Considering that worked, I'm assuming there was either some root level FTP corruption or an install DB creation error.

Thanks - I reinstalled and all's well now.

There is all over this board post with this issue, Re installing joomla is not a option after you have 99% of the site almost ready to roll out of production.

Fatal error: Call to undefined method stdClass::onDisplay() in /libraries/joomla/html/editor.php on line 263

This issue must have a solution in some sort of form other that re-installing and doing 40 hours of work again!!!

So Anyone with a "real world" solution????/

I disabled doclink, as was shown in another post, and no more problem. Whew,
Cheryl

me too. disabling doclink solve it but why joomla heros?

Go to root directory, libraries\joomla\html\editor.php

In line 261 replace

Code:
// Try to authenticate
$result[] = $plugin->onDisplay($editor);


with


Code:
// Try to authenticate
if (method_exists($plugin, 'onDisplay')) {
$result[] = $plugin->onDisplay($editor);
}

I had exactly the same problem, on a migrated site (new server) it turned out I had the autosave plugin installed. Once I turned off the button for that everything was fine.

Thanks!!

I also run to this problem, as I copy the database from local to the remote db.

As remove the linkr component but the copy db still has the information.

When reinstall the linkr module the problem disappear.

It seems that require files not exists. Perhaps is uninstall some needed file.

Hello All,

After a small ride inside Joomla (Any version) I've observed that this error is most probable when you have any system plugins still enabled that are no longer in the installation directory of your Joomla.
This may happen when you clean install and or upgrade (low chance while upgrade) Joomla.

So if you encounter this trouble, first check the plugins that are not in use and disable them and give it a try one more time before getting your hands into the code mode.

I hope this helps a bit.

That was the problem. Once I installed the pluggins on the server everything worked fine again!

Thats good to hear.

Here is how to fix that problem
log in to Admin page and go to
Extensions>Plug in Manager
Find the
Editor Button - JAComment ON
and disable it.
problem solved.

Unreal04 wrote:Here is how to fix that problem
log in to Admin page and go to
Extensions>Plug in Manager
Find the
Editor Button - JAComment ON
and disable it.
problem solved.

Mate you have saved my website! lol looked so hard for an answer to my problem. Thanks.

Hi has anyone have a different solution I already try the follwoing with no results:
if (method_exists($plugin, 'onDisplay')) {
$result[] = $plugin->onDisplay($editor);
}
(this one works, but if i am oging to insert html or a link the pop up windows open empty
i already try disabling all the pluggins but still doesnt work

Please some help!!!

Found the problem. Just for posterity:

Change line 268 of /libraries/joomla/html/editor.php from:
To:
This will get rid of the error, and also show you what plugin is not properly installed so you can reinstall it (in my case it was "Modules Anywhere").

.