Fatal error: Uncaught Error: Call to undefined function is_product() in /home3/leeallur/public_html/londonhypnosisworkshops/wp-content/plugins/mage-eventpress/inc/mep_functions.php:3090 Stack trace: #0 /home3/leeallur/public_html/londonhypnosisworkshops/wp-includes/class-wp-hook.php(324): mep_hide_hidden_product_from_single(Object(WP)) #1 /home3/leeallur/public_html/londonhypnosisworkshops/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters(NULL, Array) #2 /home3/leeallur/public_html/londonhypnosisworkshops/wp-includes/plugin.php(565): WP_Hook->do_action(Array) #3 /home3/leeallur/public_html/londonhypnosisworkshops/wp-includes/class-wp.php(830): do_action_ref_array('wp', Array) #4 /home3/leeallur/public_html/londonhypnosisworkshops/wp-includes/functions.php(1336): WP->main('') #5 /home3/leeallur/public_html/londonhypnosisworkshops/wp-blog-header.php(16): wp() #6 /home3/leeallur/public_html/londonhypnosisworkshops/index.php(17): require('/home3/leeallur...') #7 {main} thrown in /home3/leeallur/public_html/londonhypnosisworkshops/wp-content/plugins/mage-eventpress/inc/mep_functions.php on line 3090