Unbeatable Tic-Tac-Toe

New Game
Make Your Move
Select Select X
Select O O
Select Select X

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Warning: DOMDocument::load(): Premature end of data in tag moves line 38164 in /usr/local/www/apache24/data/tictactoe/games.xml, line: 38164 in /usr/local/www/apache24/data/tictactoe/index.php on line 36

Fatal error: Uncaught Error: Call to a member function getElementsByTagName() on null in /usr/local/www/apache24/data/tictactoe/index.php:38 Stack trace: #0 /usr/local/www/apache24/data/tictactoe/index.php(113): update_element('t8421', 'moves', '__X_OO__X') #1 /usr/local/www/apache24/data/tictactoe/index.php(334): generate('__X_OO__X', 't8421') #2 {main} thrown in /usr/local/www/apache24/data/tictactoe/index.php on line 38