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Wordpress Fatal Error: Uncaught Error: Calling undefined on important school project website

I am currently working on a school project for which I have created a WordPress website. Until recently, my website aaerexpress.studenthost.me was running fine, but after updating to WordPress 6, I first encountered the elementor stopped working error and now my entire website started to stop working. When I try to open my website I just get the following error text: Fatal Error: Uncaught Error: Call to undefined method WP_Taxonomy::reset_default_labels() in /home/vol14_4/studenthost.me/oosoh_31762467/htdocs/wp-includes/taxonomy.php:28 Stack trace: #0 /home/vol14_4 /studenthost . me/oosoh_31762467/htdocs/wp-settings.php(402): create_initial_taxonomies() #1 /home/vol14_4/studenthost.me/oosoh_31762467/htdocs/wp-config.php(96): require_once('/home/vol14_4/ s... ') #2 /home/vol14_4/studenthost.me/oosoh_31762467/htdocs/wp-load.php(50): require_once('/home/vol14_4/s...') #3 /home/vol14_4/studenthost .me /oosoh_31762467/htdocs/wp-blog-header.php(13): require_once('/home/vol14_4/s. ..') #4 /home/vol14_4/studenthost.me/oosoh_31762467/htdocs/index.php (17): require('/home/vol14_4/s..') #5 {main} is thrown in /home/vol14_4/studenthost.me/oosoh_31762467/htdocs/wp-includes/taxonomy.php on line 28

P粉662361740P粉662361740243 days ago446

reply all(2)I'll reply

  • P粉464088437

    P粉4640884372024-03-26 11:08:06

    My solution was to downgrade the PHP version on my cPanel.

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  • P粉595605759

    P粉5956057592024-03-26 09:07:51

    First, update WordPress manually. There seems to be a problem with the update.

    WordPress Manual Update Guide

    If the problem persists, first rename the plugin folder via the host. If it doesn't work, do this using the theme folder.

    If renaming the plugin folder solved the problem, enter the counter and go to the plugins section. Then reset the folder name to its previous state. All plugins are now disabled Just activate one by one Find out what the problem is.

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