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Notice: Undefined variable: phpc_lang in E:\xampp\htdocs\khcnhungyen\calendar\index.php on line 92

Notice: Trying to get property of non-object in E:\xampp\htdocs\khcnhungyen\calendar\includes\calendar.php on line 739
Database connect failed (1045): Access denied for user 'root'@'localhost' (using password: YES)
Database connect failed (1045): Access denied for user 'root'@'localhost' (using password: YES)