Fatal error: Uncaught Error: Non-static method GFRegistration::calculateProductList() cannot be called statically in /home/820824.cloudwaysapps.com/gvyvchjyjn/public_html/wp-content/themes/pesgb/includes/gfregistration.php:633 Stack trace: #0 /home/820824.cloudwaysapps.com/gvyvchjyjn/public_html/wp-includes/class-wp-hook.php(324): GFRegistration::insertJSProductList() #1 /home/820824.cloudwaysapps.com/gvyvchjyjn/public_html/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters() #2 /home/820824.cloudwaysapps.com/gvyvchjyjn/public_html/wp-includes/plugin.php(517): WP_Hook->do_action() #3 /home/820824.cloudwaysapps.com/gvyvchjyjn/public_html/wp-includes/script-loader.php(2265): do_action() #4 /home/820824.cloudwaysapps.com/gvyvchjyjn/public_html/wp-includes/class-wp-hook.php(324): wp_enqueue_scripts() #5 /home/820824.cloudwaysapps.com/gvyvchjyjn/public_html/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters() #6 /home/820824.cloudwaysapps.com/gvyvchjyjn/public_html/wp-includes/plugin.php(517): WP_Hook->do_action() #7 /home/820824.cloudwaysapps.com/gvyvchjyjn/public_html/wp-includes/general-template.php(3050): do_action() #8 /home/820824.cloudwaysapps.com/gvyvchjyjn/public_html/wp-content/themes/pesgb/header.php(27): wp_head() #9 /home/820824.cloudwaysapps.com/gvyvchjyjn/public_html/wp-includes/template.php(810): require_once('/home/820824.cl...') #10 /home/820824.cloudwaysapps.com/gvyvchjyjn/public_html/wp-includes/template.php(745): load_template() #11 /home/820824.cloudwaysapps.com/gvyvchjyjn/public_html/wp-includes/general-template.php(48): locate_template() #12 /home/820824.cloudwaysapps.com/gvyvchjyjn/public_html/wp-content/themes/pesgb/registration.php(5): get_header() #13 /home/820824.cloudwaysapps.com/gvyvchjyjn/public_html/wp-includes/template-loader.php(106): include('/home/820824.cl...') #14 /home/820824.cloudwaysapps.com/gvyvchjyjn/public_html/wp-blog-header.php(19): require_once('/home/820824.cl...') #15 /home/820824.cloudwaysapps.com/gvyvchjyjn/public_html/index.php(17): require('/home/820824.cl...') #16 {main} thrown in /home/820824.cloudwaysapps.com/gvyvchjyjn/public_html/wp-content/themes/pesgb/includes/gfregistration.php on line 633