Fatal error: Uncaught TypeError: call_user_func_array(): Argument #1 ($callback) must be a valid callback, function "ShowCanonical" not found or invalid function name in /home/c/cp40370/kupikorobku/public_html/bitrix/modules/main/classes/general/main.php:3195
Stack trace:
#0 [internal function]: CAllMain->EndBufferContent('\t\t\n<script>\n\t//...', 9)
#1 /home/c/cp40370/kupikorobku/public_html/bitrix/modules/main/classes/general/main.php(3430): ob_end_flush()
#2 [internal function]: CAllMain::{closure}()
#3 {main}
thrown in /home/c/cp40370/kupikorobku/public_html/bitrix/modules/main/classes/general/main.php on line 3195
