Fatal error: Uncaught Error: Call to undefined function is_checkout() in /home/calaelea/development.calaelearning.co.uk/wp-content/themes/cala-elz/functions.php:181 Stack trace: #0 /home/calaelea/development.calaelearning.co.uk/wp-includes/class-wp-hook.php(286): wc_custom_redirect_after_purchase('') #1 /home/calaelea/development.calaelearning.co.uk/wp-includes/class-wp-hook.php(310): WP_Hook->apply_filters(NULL, Array) #2 /home/calaelea/development.calaelearning.co.uk/wp-includes/plugin.php(465): WP_Hook->do_action(Array) #3 /home/calaelea/development.calaelearning.co.uk/wp-includes/template-loader.php(13): do_action('template_redire...') #4 /home/calaelea/development.calaelearning.co.uk/wp-blog-header.php(19): require_once('/home/calaelea/...') #5 /home/calaelea/development.calaelearning.co.uk/index.php(17): require('/home/calaelea/...') #6 {main} thrown in /home/calaelea/development.calaelearning.co.uk/wp-content/themes/cala-elz/functions.php on line 181