Fatal error: Uncaught Error: Call to a member function getAttribute() on null in /home/.sites/963/site898/web/metatecture/wp-content/plugins/email-before-download/includes/class-email-before-download-form.php:39 Stack trace: #0 /home/.sites/963/site898/web/metatecture/wp-content/plugins/email-before-download/includes/class-email-before-download-shortcode.php(68): Email_Before_Download_Form->html() #1 /home/.sites/963/site898/web/metatecture/wp-includes/shortcodes.php(346): Email_Before_Download_Shortcode->init_shortcode(Array, '', 'email-download') #2 [internal function]: do_shortcode_tag(Array) #3 /home/.sites/963/site898/web/metatecture/wp-includes/shortcodes.php(248): preg_replace_callback('/\\[(\\[?)(embed|...', 'do_shortcode_ta...', '