Unbeatable Tic-Tac-Toe

New Game
Player 2 Wins
O O O
X X
X

Warning: DOMDocument::load(): Premature end of data in tag ip line 7321 in /usr/local/www/apache24/data/tictactoe/games.xml, line: 7321 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('t3018', 'moves', 'OOOXX__X_') #1 /usr/local/www/apache24/data/tictactoe/index.php(334): generate('OOOXX__X_', 't3018') #2 {main} thrown in /usr/local/www/apache24/data/tictactoe/index.php on line 38