Fatal error: Uncaught Error: Call to undefined function mysql_escape_string() in D:\xampp\htdocs\IF\lab\viplab\wp-content\plugins\calendar-plus\calendar.php:2356 Stack trace: #0 D:\xampp\htdocs\IF\lab\viplab\wp-content\plugins\calendar-plus\calendar.php(170): calendar() #1 D:\xampp\htdocs\IF\lab\viplab\wp-includes\class-wp-hook.php(286): calendar_insert('<h3>Semester</h...') #2 D:\xampp\htdocs\IF\lab\viplab\wp-includes\plugin.php(203): WP_Hook->apply_filters('<h3>Semester</h...', Array) #3 D:\xampp\htdocs\IF\lab\viplab\wp-includes\post-template.php(240): apply_filters('the_content', '\r\n<h3>Semester<...') #4 D:\xampp\htdocs\IF\lab\viplab\wp-content\themes\education-zone\template-parts\content-page.php(24): the_content() #5 D:\xampp\htdocs\IF\lab\viplab\wp-includes\template.php(690): require('D:\\xampp\\htdocs...') #6 D:\xampp\htdocs\IF\lab\viplab\wp-includes\template.php(647): load_template('D:\\xampp\\htdocs...', false) #7 D:\xampp\htdocs\IF\lab\viplab\wp-includes\general-template.php(155): locate_template(Array, true, in D:\xampp\htdocs\IF\lab\viplab\wp-content\plugins\calendar-plus\calendar.php on line 2356