Fatal error: Call to undefined function wp() in ../wp-blog-header.php?

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Fatal error: Call to undefined function wp() in /home/content/33/7211533/html/someSite/wp-blog-header.php on line 14

Can anyone figure whats the problem?

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I already update the wp-includes and wp-admin folder and my functions.php is fine, but I haven’t figure out how to fix it. Any suggestions?

EDIT

I reinstalled WordPress, (upload the new copy on the site, and I made sure it’s up to date) – equivalent to a manual update.

After that its started to work fine, so this problem is now fixed.

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8 comments

  1. wp() is quite essential function. It resides in functions.php file (don’t confuse with functions.php in theme, different thing) and I don’t think you can load WP without passing require directive for that file at some point.

    So your install seems very broken – either functions.php file in core is damaged or something else is broken and makes it skip loading that file.

  3. When I migrated to Siteground, I don’t know why Siteground changed the include file in the last line of wp-config.php file to a wrong directory.

    screenshot

    The correct path should be this one instead:

    /* That's all, stop editing! Happy blogging. */
/** Absolute path to the WordPress directory. */
if ( ! defined( 'ABSPATH' ) )
    define( 'ABSPATH', dirname( __FILE__ ) . '/' );

/** Sets up WordPress vars and included files. */
require_once( ABSPATH . 'wp-settings.php' );

  4. It seems the issue was a result of corrupted wp-config.php
    I updated the local version with the database credentials and uploaded via ftp and it worked.

  5. This problem can be caused by using the automatic update when you don’t have enough disk space. If that is the case, free up some space on your server, then upgrade WordPress to the latest version manually.

  6. Had the same issue. Have an easier solution:

    1. Open wp-settings.php
    2. Comment out the following lines (search for “health”:
        // if ( ! class_exists( 'WP_Site_Health' ) ) {
    //    require_once ABSPATH . 'wp-admin/includes/class-wp-site-health.php';
    // }
    // WP_Site_Health::get_instance();
    1. Update all your plugins
    2. Restore wp-settings.php to the previous state

  7. My wp-load.php got emptied/cleared when I was uploading a plugin and it failed. That was super weird.

    If you go to your WP root, just sort by recently edited and you’ll find the problem file.

    Then you just need to upload that file from a fresh install. In my case I just overwrote wp-load.php

  8. amazing…if you have fatal error or call to undefined funcction jus go to your email and on that email you may have a sent message from your hosting adress…just reinstall or from that email page you log in…problem will be fixed..