[Error] 
Undefined constant "RESULT_ID" (0)
/var/www/vhosts/agkb2.ru/httpdocs/personal/feedback/index.php:13
----------

Fatal error: Uncaught TypeError: call_user_func_array(): Argument #1 ($callback) must be a valid callback, function "getMedSiteTitleHtml" not found or invalid function name in /var/www/vhosts/agkb2.ru/httpdocs/bitrix/modules/main/classes/general/main.php:3389 Stack trace: #0 [internal function]: CAllMain->EndBufferContent() #1 /var/www/vhosts/agkb2.ru/httpdocs/bitrix/modules/main/classes/general/main.php(3655): ob_end_flush() #2 [internal function]: CAllMain::{closure}() #3 {main} thrown in /var/www/vhosts/agkb2.ru/httpdocs/bitrix/modules/main/classes/general/main.php on line 3389