Warning: main(/path/to/xoops/directory/include/common.php) [function.main]: failed to create stream: No such file or directory in C:\Apache Group\Apache\htdocs\xoops\mainfile.php on line 60

Warning: main() [function.main]: Failed opening '/path/to/xoops/directory/include/common.php' for inclusion (include_path='.;c:\php4\pear') in C:\Apache Group\Apache\htdocs\xoops\mainfile.php on line 60

Fatal error: Call to undefined function: xoops_header() in C:\Apache Group\Apache\htdocs\xoops\header.php on line 23