I encountered this bug. This error didn’t cause anything serious (frontend of the website is okay).
Error Details
=============
An error of type E_ERROR was caused in line 7 of the file /public_html/wp-content/plugins/advanced-custom-fields/includes/locations/class-acf-location-post-type.php. Error message: Uncaught Error: Class 'ACF_Location' not found in /public_html/wp-content/plugins/advanced-custom-fields/includes/locations/class-acf-location-post-type.php:7
Stack trace:
#0 /public_html/wp-content/plugins/advanced-custom-fields/includes/acf-utility-functions.php(156): include_once()
#1 /public_html/wp-content/plugins/advanced-custom-fields/acf.php(276): acf_include('includes/locati...')
#2 /public_html/wp-includes/class-wp-hook.php(287): ACF->init('')
#3 /public_html/wp-includes/class-wp-hook.php(311): WP_Hook->apply_filters(NULL, Array)
#4 /public_html/wp-includes/plugin.php(484): WP_Hook->do_action(Array)
#5 /public_html/wp-settings.php(557): do_action('init')
#6 /public_html/wp-config.php(107): require_once('/home/dalhxfj
WordPress version 5.6.1
Current plugin: Advanced Custom Fields (version 5.9.4) PHP version 7.4.14
