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Trouble updating to 3.4.2 Blank admin page & Fatal error on website (2 posts)

  1. maryhamerphotography
    Member
    Posted 2 years ago #

    I was using 3.4.1 and tried updating to 3.4.2 by clicking on the update button. It took me to a blank page. After waiting several minutes with no activity, I clicked on my back button. This gave me a fatal error message when I tried to view my website (www.maryhamerphotography.com).

    The message on my website is:
    Fatal error: Call to undefined function is_multisite() in /home/mhp/public_html/wp-includes/default-constants.php on line 20

    So I did a lot of searching on the forums and decided to restart the internet and clearing my casche. The message still remains on my website and now my admin page is BLANK. I can't even login to reinstall. I am at a loss.

    Any help would be greatly appreciated!

  2. StefanRisticDev
    Member
    Posted 2 years ago #

    You should try to reinstall it manually and that should fix the problem, check out this topic:

    http://codex.wordpress.org/Upgrading_WordPress_Extended

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