Recently I had to do the upgrade from Wordpress 2.2.3 to 2.5.1 in my Granadeiros Azulinos blog. After following all the steps of the detailed upgrade process - backups, disable plugins, copy new files, update and reactivate plugins, reapply customization of themes, etc.., the blog worked well in the new version! Great!

However, one strange problem: after creating new posts in the administration panel (Wordpress dashboard), or after leaving comments in the blog posts, I got a completely blank page. Afterwards, the problem got worse: the Wordpress admin panel became totally blank, nothing worked!

After a full day’s search, I had already tried several solutions and suggestions, but nothing … Changing themes, deactivating and uninstalling all plugins, physically deleting the plugins from their directory, even making changes in the Wordpress database. I was already tired, thinking that the problem could be related to PHP’s memory use. I was thinking about contacting my hosting provider to see how PHP was configured.

Suddenly I found, lost amid a tech blog’s comments, a simple suggestion that was crucial to solve my problem: to check whether my wp-config.php file had any blank lines in the end!

Unbelievable, but this was the problem: when doing the upgrade, I had some things changed in my wp-config.php, including the introduction of the new SECRET_KEY option. After the upgrade the file, I had left some white lines in the end, and those lines were responsible for the file not being loaded correctly by Wordpress PHP scripts…

So, the only thing I had to fix was, to remove the blank lines from the end of the file and GOTCHA! Everything was back in order again! Nice one!

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Posted in Wordpress
Tags: blog, bug, dashboard, error, admin panel, problem, fix, Wordpress
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