Fatal error: Uncaught Error: Call to undefined function et_core_cache_has() in /wp-content/themes/Divi/includes/builder/feature/background-masks/Functions.php:48 Stack trace: #0 /wp-content/themes/Divi/includes/builder/feature/background-masks/PatternFields.php(266): et_pb_get_pattern_style_options() #1 /wp-content/themes/Divi/includes/builder/class-et-builder-element.php(10887): et_pb_get_pattern_fields('background') #2 /wp-content/themes/Divi/includes/builder/class-et-builder-element.php(5204): ET_Builder_Element->generate_background_options('background', 'pattern', 'general', 'background') #3 /wp-content/themes/Divi/includes/builder/class-et-builder-element.php(4210): ET_Builder_Element->_add_background_fields() #4 /wp-content/themes/Divi/includes/builder/class-et-builder-element.php(908): ET_Builder_Element->_add_additional_fields() #5 /wp-content/plugins/divi-filterable-blog-module/includes/controller/modules.php(80): ET_Builder_Element->__construct() #6 /wp-content/plugins/divi-filterable-blog-module/includes/contro in /wp-content/themes/Divi/includes/builder/feature/background-masks/Functions.php on line 48