Category Archives: Troubleshooting

How to Find and Fix 404 Errors

If you’ve changed post slugs, taxonomy slugs, or permalink structures, you likely created 404 pages (page-not-found URLs) along the way.
These 404 pages certainly aren’t helpful for visitors who stumble across them and can increase your bounce rate. It can be a particular problem if search engines, pingbacks, and/or internal and external links are sending traffic [...] Read more »

What to Do If Plugin Deactivation Breaks Your Blog

Say you just disabled a plugin, and now your WordPress blog’s front-end says “Fatal error: Call to undefined function.” Part of your site may even be missing.
The problem is that your theme is calling on the plugin you deactivated. However, since that plugin is gone, the site displays an error and then stops rendering the [...] Read more »

Make WordPress and Firefox Adblock Play Nice

This potential problem is applicable to those using the following, which is probably quite a few people:

Firefox with the highly popular Adblock or Adblock Plus extensions
WordPress with the visual editor enabled

As part of its functionality, Adblock inserts a tab next to Flash objects, etc. to make blocking that object as easy as a couple [...] Read more »

WordPress Permalinks Just Won’t Enable? Try This.

Have you tried to enable “Pretty Permalinks” but the change doesn’t show up on your blog?
I have, and I’ve successfully used this tactic buried in the WordPress Codex’s Using Permalinks article under the “Fixing .htaccess Generation Issues” section.
This only applies if your web host is using Apache (if you aren’t sure, chances are it is, [...] Read more »

The “Undefined wp_die()” WordPress MU Installation Error

Once when installing WordPress MU, after submitting the form in the setup wizard, I got the following error:
Fatal error: Call to undefined function: wp_die()
I did extensive research a la Google, and lots of other people seemed to have the problem [1, 2, 3], but I still couldn’t find the answer. Read more »