Title: Uncaught Error: Class ‘ACF_Data’ not found
Last modified: February 25, 2022

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# Uncaught Error: Class ‘ACF_Data’ not found

 *  [lulupont](https://wordpress.org/support/users/lulupont/)
 * (@lulupont)
 * [4 years, 3 months ago](https://wordpress.org/support/topic/uncaught-error-class-acf_data-not-found/)
 * My site has been working dramaticly slow for the last couple of days, and today
   I recieved a wordpress error email saying:
 * Uncaught Error: Class ‘ACF_Data’ not found in ……. plugins/advanced-custom-fields/
   includes/acf-utility-functions.php:60
 * ……advanced-custom-fields/includes/acf-helper-functions.php(142): acf_register_store(‘
   filters’)
    ……advanced-custom-fields/includes/acf-utility-functions.php(156): 
   include_once(‘/home/lalulula/…’) ……advanced-custom-fields/acf.php(121): acf_include(‘
   includes/acf-he…’) ……advanced-custom-fields/acf.php(725): ACF->initialize() ……
   advanced-custom-fields/acf.php(731): acf()
 * I have no idea what this means….but I need help please, my site is shutting down.
   
   Thanks in advance
 * The page I need help with: _[[log in](https://login.wordpress.org/?redirect_to=https%3A%2F%2Fwordpress.org%2Fsupport%2Ftopic%2Funcaught-error-class-acf_data-not-found%2F%3Foutput_format%3Dmd&locale=en_US)
   to see the link]_

The topic ‘Uncaught Error: Class ‘ACF_Data’ not found’ is closed to new replies.

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 * 0 replies
 * 1 participant
 * Last reply from: [lulupont](https://wordpress.org/support/users/lulupont/)
 * Last activity: [4 years, 3 months ago](https://wordpress.org/support/topic/uncaught-error-class-acf_data-not-found/)
 * Status: not resolved