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Warning: require(./source/class/class_core.php) [function.require]: failed to open stream: No such file or directory inD:\Hostuser\chba1324\wwwroot\hldsq\portal.php on line 13

Fatal error: require() [function.require]: Failed opening required './source/class/class_core.php' (include_path='.;C:\php\pear') inD:\Hostuser\chba1324\wwwroot\hldsq\portal.php on line 13


出现这个   不知道是什么原因