Fatal error: Uncaught Error: Function name must be a string in /var/www/vhosts/lange-nacht.de/httpdocs/wp-content/themes/SNLN/framework/php/class-form-generator.php:202 Stack trace: #0 /var/www/vhosts/lange-nacht.de/httpdocs/wp-content/themes/SNLN/config-templatebuilder/avia-shortcodes/contact.php(382): avia_form->create_elements(Array) #1 /var/www/vhosts/lange-nacht.de/httpdocs/wp-content/themes/SNLN/config-templatebuilder/avia-template-builder/php/shortcode-template.class.php(250): avia_sc_contact->shortcode_handler(Array, '\n[av_contact_fi...', 'av_contact', Array) #2 /var/www/vhosts/lange-nacht.de/httpdocs/wp-includes/shortcodes.php(319): aviaShortcodeTemplate->shortcode_handler_prepare(Array, '\n[av_contact_fi...', 'av_contact') #3 [internal function]: do_shortcode_tag(Array) #4 /var/www/vhosts/lange-nacht.de/httpdocs/wp-includes/shortcodes.php(197): preg_replace_callback('/\\[(\\[?)(av_con...', 'do_shortcode_ta...', '\n[av_heading ta...') #5 /var/www/vhosts/lange-nacht.de/httpdocs/wp-content/themes/SNLN/config-templ in /var/www/vhosts/lange-nacht.de/httpdocs/wp-content/themes/SNLN/framework/php/class-form-generator.php on line 202