# Fatal error

**URL:** <https://forum.infinityfree.com/t/fatal-error/39326>\
**Category:** Hosting Support\
**Created:** [December 23, 2020, 4:34pm UTC](https://forum.infinityfree.com/t/fatal-error/39326 "2020-12-23T16:34:30Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![anon20686775](https://forum.infinityfree.com/letter_avatar/anon20686775/32/5_5575768a8748004e209b776fc1b2916d.png) [@anon20686775](https://forum.infinityfree.com/u/anon20686775)\
**Post date:** [December 23, 2020, 4:34pm UTC](https://forum.infinityfree.com/t/fatal-error/39326/1 "2020-12-23T16:34:30Z")

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### Username (e.g. epiz\_XXX) or Website URL

[http://hanaae.great-site.net/](http://hanaae.great-site.net/)

(please specify the website or account you are asking about)  
**Fatal error** : Uncaught Error: Class ‘ParagonIE\_Sodium\_Compat’ not found in /home/vol9\_3/epizy.com/epiz\_27124527/htdocs/wp-includes/sodium\_compat/lib/constants.php:8 Stack trace: #0 /home/vol9\_3/epizy.com/epiz\_27124527/htdocs/wp-includes/sodium\_compat/lib/sodium\_compat.php(825): require\_once() #1 /home/vol9\_3/epizy.com/epiz\_27124527/htdocs/wp-includes/sodium\_compat/autoload.php(45): require\_once(‘/home/vol9\_3/ep…’) #2 /home/vol9\_3/epizy.com/epiz\_27124527/htdocs/wp-includes/compat.php(333): require(‘/home/vol9\_3/ep…’) #3 /home/vol9\_3/epizy.com/epiz\_27124527/htdocs/wp-settings.php(107): require(‘/home/vol9\_3/ep…’) #4 /home/vol9\_3/epizy.com/epiz\_27124527/htdocs/wp-config.php(90): require\_once(‘/home/vol9\_3/ep…’) #5 /home/vol9\_3/epizy.com/epiz\_27124527/htdocs/wp-load.php(37): require\_once(‘/home/vol9\_3/ep…’) #6 /home/vol9\_3/epizy.com/epiz\_27124527/htdocs/wp-blog-header.php(13): require\_once(‘/home/vol9\_3/ep…’) #7 /home/vol9\_3/epizy.com/epiz\_27124527/htdocs/index.php(17): require(‘/home/vol9\_3/ep…’) #8 {main} thr in **/home/vol9\_3/epizy.com/epiz\_27124527/htdocs/wp-includes/sodium\_compat/lib/constants.php** on line **8**

this is my website.  
everything was good until WordPress updated, then the page showed  
(critical error on this website)  
I tried to fix it by following these steps

> **[Installation failed: There has been a critical error on your website](https://forum.infinityfree.com/docs?topic=49361)**
>
> WordPress supports installing and updating plugins and themes from the official store right through the WordPress admin interface. However, after trying to install or update a large plugin (like WooCommerce) or theme, you may encounter an error like...

but things got worse, what should I do now?  
is there a way to fix it?

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<div class="post-metadata">

**Author:** ![KangJL](https://forum.infinityfree.com/user_avatar/forum.infinityfree.com/kangjl/32/12130_2.png) [@KangJL](https://forum.infinityfree.com/u/KangJL)\
**Post date:** [December 23, 2020, 4:36pm UTC](https://forum.infinityfree.com/t/fatal-error/39326/2 "2020-12-23T16:36:22Z")

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Welcome, try this…

> **[How to fix a corrupted WordPress installation](https://forum.infinityfree.com/docs?topic=49359)**
>
> WordPress frequently releases updates, which you can install through WordPress’ admin interface. Usually, this works without a hitch. But with some (big) upgrades, the upgrade fails half way and leaves you with a broken website. Fortunately, you can...

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<div class="post-metadata">

**Author:** ![system](https://infinityfree-forum-uploads.s3.dualstack.eu-central-1.amazonaws.com/original/3X/b/0/b024fd3fa88bae093c9576e55c2c94e33f890206.svg) [@system](https://forum.infinityfree.com/u/system)\
**Post date:** [January 7, 2021, 4:36pm UTC](https://forum.infinityfree.com/t/fatal-error/39326/3 "2021-01-07T16:36:24Z")

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