Fatal Error while Upgrading to WordPress 3.4

What did you try? ?? I know you said ‘All I can’ but what is that? Can you list what you tried? That way we don’t make you repeat what you’ve done.

I tried renaming the theme folder. Later on, I tried renaming the plugins folder and even the active theme itself; yet it didn’t work. That’s all I’ve tried for now :).

Thanks as you help me look into this.

Okay first up try manually upgrading WP. Go to https://www.ads-software.com/download/ and get the latest version (3.4), download it to your computer, unzip, and FTP the files up.

But, won’t I loose all my posts and other files? Just being curious and careful.

But, won’t I loose all my posts and other files? Just being curious and careful.

Careful is good. ?? But don’t worry, your fine.

Your posts are in the database (safe) and your files are not in the WordPress ZIP file. Don’t delete files, just upload from that zip on top of what’s there.

Since you are being careful, make a complete backup of your files and database.

https://codex.www.ads-software.com/WordPress_Backups
https://codex.www.ads-software.com/Backing_Up_Your_Database
https://codex.www.ads-software.com/Restoring_Your_Database_From_Backup

Backups are your friend. Put those somewhere safe and you should them good to go in case something bad happens.

Thanks so much, I’ve started uploading the WordPress 3.4 via FTP and overwriting existing files. Thanks. I’ll update about the progress.

Waoh…after upload, I followed the Update procedure and got a successful notice. Yipeee!!! My Site is now back online though, I had to perform some quick set up like activating a theme, placing the widgets appropriately and others. Thanks so much for your help. You Rock!!!

You can check the site here: https://www.oluwatobisoyombo.com

Thanks once again

So, I tried the manual upload and my site STILL shows the error message:

Fatal error: Class ‘WP_Theme’ not found in

I’m pretty frustrated at this point. I have Theme TwentyTen and TwentyEleven and I also use the DB Cache Plugin so I don’t know if that means anything. But yeh, I have no clue how to get my site working again.

1. Don’t post in someone else’s resolved topic.

2. Did you read https://www.ads-software.com/support/topic/troubleshooting-wordpress-34-master-list – specifically:

Problem: You get the following error — Fatal error: Class ‘WP_Theme’ not found in
Solution: Reinstall WP. The class-wp-theme.php file is included by default. This could only really happen if they get an updated wp-includes/theme.php file but not an updated wp-settings.php file. (Do the manual upgrade if you can’t get into wp-admin)

Follow the instructions for a manual upgrade.

You know what… at this point I’m posting this as a project on Freelancer.com. I don’t have time for this.

And yes, I did read the master list thread and didn’t find anything helpful.

I love WordPress and all, but they have a long way to go when it comes to quick and efficient troubleshooting.

Sorry
but not resolved at all…
I tried all what you said above..but nothing of nothing…

Please, we need more help
Regards…

@islandman974: Please post your own topic.

Sorry
but not resolved at all.

Yes it is because the original poster said it is. This was his issue and not yours.

Please open your own thread.

https://www.ads-software.com/support/forum/how-to-and-troubleshooting#postform