Аналогичная ситуация, но с другим решением [CODE][TypeError] call_user_func_array(): Argument #1 ($callback) must be a valid callback, non-static method MLiteSpecial::OnPageStartSpecial() cannot be called statically (0)
/home/bitrix/www/bitrix/modules/main/classes/general/module.php:480
#0: ExecuteModuleEventEx(array)
/home/bitrix/www/bitrix/modules/main/include.php:159
#1: require_once(string)
/home/bitrix/www/bitrix/modules/main/include/prolog_before.php:14
#2: require_once(string)
/home/bitrix/www/bitrix/modules/main/include/prolog.php:10
#3: require_once(string)
/home/bitrix/www/bitrix/header.php:1
#4: require(string)
/home/bitrix/www/en/index.php:1
----------[/CODE]
/home/bitrix/www/bitrix/modules/main/classes/general/module.php:480
#0: ExecuteModuleEventEx(array)
/home/bitrix/www/bitrix/modules/main/include.php:159
#1: require_once(string)
/home/bitrix/www/bitrix/modules/main/include/prolog_before.php:14
#2: require_once(string)
/home/bitrix/www/bitrix/modules/main/include/prolog.php:10
#3: require_once(string)
/home/bitrix/www/bitrix/header.php:1
#4: require(string)
/home/bitrix/www/en/index.php:1
----------[/CODE]