Fatal error: Uncaught Error: Call to undefined method Fnc::chk() in /home/romanbook/web/romanbook.ru/public_html/pages/modules/author/author_view.php:6 Stack trace: #0 /home/romanbook/web/romanbook.ru/public_html/classes/site/engine/engine.class.php(152): include() #1 /home/romanbook/web/romanbook.ru/public_html/classes/site/engine/engine.class.php(108): Engine->includeFile('/home/romanbook...') #2 /home/romanbook/web/romanbook.ru/public_html/classes/site/engine/engine.class.php(67): Engine->includeModule() #3 /home/romanbook/web/romanbook.ru/public_html/classes/site/engine/engine.class.php(47): Engine->page() #4 /home/romanbook/web/romanbook.ru/public_html/index.php(15): Engine->init() #5 {main} thrown in /home/romanbook/web/romanbook.ru/public_html/pages/modules/author/author_view.php on line 6