Fatal error: Uncaught Error: Call to a member function getAttribute() on null in /home/customer/www/aeroprobe.com/public_html/wp-content/plugins/email-before-download/includes/class-email-before-download-form.php:39 Stack trace: #0 /home/customer/www/aeroprobe.com/public_html/wp-content/plugins/email-before-download/includes/class-email-before-download-shortcode.php(68): Email_Before_Download_Form->html() #1 /home/customer/www/aeroprobe.com/public_html/wp-includes/shortcodes.php(395): Email_Before_Download_Shortcode->init_shortcode(Array, '', 'email-download') #2 [internal function]: do_shortcode_tag(Array) #3 /home/customer/www/aeroprobe.com/public_html/wp-includes/shortcodes.php(235): preg_replace_callback('/\\[(\\[?)(email\\...', 'do_shortcode_ta...', '<p>[vc_row][vc_...') #4 /home/customer/www/aeroprobe.com/public_html/wp-content/plugins/js_composer/include/helpers/helpers.php(247): do_shortcode('<p>[vc_row][vc_...') #5 /home/customer/www/aeroprobe.com/public_html/wp-content/plugins/js_composer/include/templates/short in /home/customer/www/aeroprobe.com/public_html/wp-content/plugins/email-before-download/includes/class-email-before-download-form.php on line 39