[TypeError] getElementByIdF(): Argument #1 ($id) must be of type int, null given, called in /home/bitrix/www/ru/university/institute/activity/index.php on line 14 (0) /home/bitrix/www/local/php_interface/include/functions.php:354 #0: getElementByIdF(NULL, array) /home/bitrix/www/ru/university/institute/activity/index.php:14 #1: include_once(string) /home/bitrix/www/bitrix/modules/main/include/urlrewrite.php:184 #2: include_once(string) /home/bitrix/www/bitrix/urlrewrite.php:2 ----------