Fatal error: Uncaught Error: Call to undefined method ET_Core_Data_Utils::sanitize_css_placeholders() in /home/edbooksl/tellibrary.org/wp-content/themes/Divi/includes/builder/class-et-builder-element.php:11755 Stack trace: #0 /home/edbooksl/tellibrary.org/wp-content/themes/Divi/includes/builder/class-et-builder-element.php(9101): ET_Builder_Element::set_style('et_pb_section', Array) #1 /home/edbooksl/tellibrary.org/wp-content/themes/Divi/includes/builder/class-et-builder-element.php(8435): ET_Builder_Element->process_advanced_background_options('et_pb_section') #2 /home/edbooksl/tellibrary.org/wp-content/themes/Divi/includes/builder/class-et-builder-element.php(1686): ET_Builder_Element->process_additional_options('et_pb_section') #3 /home/edbooksl/tellibrary.org/wp-includes/shortcodes.php(319): ET_Builder_Element->_render(Array, '[et_pb_row cust...', 'et_pb_section') #4 [internal function]: do_shortcode_tag(Array) #5 /home/edbooksl/tellibrary.org/wp-includes/shortcodes.php(197): preg_replace_callback('/\\[(\\[?)(et_pb_.. in /home/edbooksl/tellibrary.org/wp-content/themes/Divi/includes/builder/class-et-builder-element.php on line 11755