Critical Error

ErrorException: Undefined array key "h1" in /var/www/html/sites/phototranslate.ru/pages/contact/blocks/hero_contact.php:2
Stack trace:
#0 /var/www/html/sites/phototranslate.ru/pages/contact/blocks/hero_contact.php(2): Core\ErrorHandler::handleError(2, 'Undefined array...', '/var/www/html/s...', 2)
#1 /var/www/html/_core/View.php(68): include('/var/www/html/s...')
#2 /var/www/html/templates/layout.php(39): Core\View::block('hero_contact', '/var/www/html/s...')
#3 /var/www/html/_core/View.php(26): require('/var/www/html/t...')
#4 /var/www/html/_core/Router.php(77): Core\View::renderPage('/var/www/html/s...', Array)
#5 /var/www/html/_core/Router.php(32): Core\Router::renderPhysical('/var/www/html/s...')
#6 /var/www/html/public/index.php(12): Core\Router::run()
#7 {main}