PHP Fatal errors

Hi. I’m getting a lot of errors in my error log every day using v2.4

[19-Jul-2018 02:05:20 UTC] PHP Fatal error: Class ‘LiteSpeed_Cache_ESI’ not found in /mysite/public_html/site/wp-content/plugins/advanced-custom-fields-pro/includes/fields/class-acf-field-relationship.php on line 402
[19-Jul-2018 02:53:32 UTC] PHP Fatal error: Class ‘LiteSpeed_Cache_ESI’ not found in /mysite/public_html/site/wp-content/plugins/advanced-custom-fields-pro/includes/fields/class-acf-field-textarea.php on line 1
[19-Jul-2018 03:05:01 UTC] PHP Fatal error: Class ‘LiteSpeed_Cache_ESI’ not found in /mysite/public_html/site/wp-content/plugins/advanced-custom-fields-pro/includes/fields/class-acf-field-link.php on line 180
[19-Jul-2018 03:46:29 UTC] PHP Fatal error: Class ‘LiteSpeed_Cache_ESI’ not found in /mysite/public_html/site/wp-content/plugins/wordpress-seo/frontend/class-opengraph-image.php on line 97
[19-Jul-2018 05:44:23 UTC] PHP Fatal error: Class ‘LiteSpeed_Cache_ESI’ not found in /mysite/public_html/site/wp-content/plugins/advanced-custom-fields-pro/includes/fields/class-acf-field-date_picker.php on line 35
[19-Jul-2018 06:03:38 UTC] PHP Fatal error: Class ‘LiteSpeed_Cache_ESI’ not found in /mysite/public_html/site/wp-content/plugins/widget-css-classes/includes/widget-css-classes-library.class.php on line 18
[19-Jul-2018 09:17:27 UTC] PHP Fatal error: Class ‘LiteSpeed_Cache_Tag’ not found in /mysite/public_html/site/wp-content/plugins/litespeed-cache/inc/cdn.class.php on line 41
[19-Jul-2018 09:17:28 UTC] PHP Fatal error: Class ‘LiteSpeed_Cache_ESI’ not found in /mysite/public_html/site/wp-content/plugins/advanced-custom-fields-pro/pro/fields/class-acf-field-gallery.php on line 54
[19-Jul-2018 09:17:28 UTC] PHP Fatal error: Uncaught Error: Class ‘LiteSpeed_Cache_CDN’ not found in /mysite/public_html/site/wp-content/plugins/litespeed-cache/inc/litespeed-cache.class.php:477
Stack trace:
#0 [internal function]: LiteSpeed_Cache->send_headers_force(”, 11)
#1 {main}
thrown in /mysite/public_html/site/wp-content/plugins/litespeed-cache/inc/litespeed-cache.class.php on line 477
[19-Jul-2018 09:40:38 UTC] PHP Fatal error: Class ‘LiteSpeed_Cache_ESI’ not found in /mysite/public_html/site/wp-content/plugins/advanced-custom-fields-pro/pro/fields/class-acf-field-flexible-content.php on line 1029
[19-Jul-2018 12:24:33 UTC] PHP Fatal error: Class ‘LiteSpeed_Cache_ESI’ not found in /mysite/public_html/site/wp-content/plugins/advanced-custom-fields-pro/includes/locations/class-acf-location-page-parent.php on line 30
[19-Jul-2018 12:53:22 UTC] PHP Fatal error: Class ‘LiteSpeed_Cache_ESI’ not found in /mysite/public_html/site/wp-content/plugins/advanced-custom-fields-pro/includes/fields/class-acf-field-range.php on line 118
[19-Jul-2018 12:53:54 UTC] PHP Fatal error: Class ‘LiteSpeed_Cache_ESI’ not found in /mysite/public_html/site/wp-content/plugins/advanced-custom-fields-pro/includes/locations/class-acf-location-attachment.php on line 58
[19-Jul-2018 14:26:30 UTC] PHP Fatal error: Class ‘LiteSpeed_Cache_ESI’ not found in /mysite/public_html/site/wp-content/plugins/mailchimp-for-wp/includes/integrations/class-integration.php on line 217
[19-Jul-2018 14:57:36 UTC] PHP Fatal error: Class ‘LiteSpeed_Cache_Log’ not found in /mysite/public_html/site/wp-content/plugins/litespeed-cache/inc/media.class.php on line 89
[19-Jul-2018 14:57:36 UTC] PHP Fatal error: Uncaught Error: Class ‘LiteSpeed_Cache_Media’ not found in /mysite/public_html/site/wp-content/plugins/litespeed-cache/inc/litespeed-cache.class.php:466
Stack trace:
#0 [internal function]: LiteSpeed_Cache->send_headers_force(”, 11)
#1 {main}
thrown in /mysite/public_html/site/wp-content/plugins/litespeed-cache/inc/litespeed-cache.class.php on line 466
[19-Jul-2018 16:02:32 UTC] PHP Fatal error: Class ‘LiteSpeed_Cache_ESI’ not found in /mysite/public_html/site/wp-content/plugins/wordpress-seo/inc/class-wpseo-replace-vars.php on line 1219
[19-Jul-2018 16:19:01 UTC] PHP Fatal error: Class ‘LiteSpeed_Cache_ESI’ not found in /mysite/public_html/site/wp-content/plugins/advanced-custom-fields-pro/includes/fields/class-acf-field-page_link.php on line 125
[19-Jul-2018 16:20:55 UTC] PHP Fatal error: Class ‘LiteSpeed_Cache_ESI’ not found in /mysite/public_html/site/wp-content/plugins/mailchimp-for-wp/integrations/wpforms/class-wpforms.php on line 54

Any ideas?

Thanks