升级uc出错，1.5-1.6

Warning: require(D:\wwwroot\uc_server\install/./data/config.inc.php) [function.require]: failed to open stream: No such file or directory in D:\wwwroot\uc_server\install\upgrade_1.5.2_1.6.php on line 17

Fatal error: require() [function.require]: Failed opening required 'D:\\wwwroot\uc_server\install/./data/config.inc.php' (include_path='.;C:\php5\pear') in D:\wwwroot\uc_server\install\upgrade_1.5.2_1.6.php on line 17

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