During installation server prints out 3 errors. It goes like this:
I am now running through the installation steps (this should take about 30 seconds)
If you receive a fatal error, refresh this page to continue the installation
Creating '.htaccess' file...
Building database schema...
PHP Error Message
Notice: Warning: there are two 'Extension' files with the same filename: '/home/a7244252/public_html/sapphire/core/Extension.php' and '/home/a7244252/public_html/auth_openid/code/Auth/OpenID/Extension.php'. This might mean that the wrong code is being used. in /home/a7244252/public_html/sapphire/core/ManifestBuilder.php on line 256
Notice: Warning: there are two 'XML' files with the same filename: '/home/a7244252/public_html/sapphire/integration/XML.php' and '/home/a7244252/public_html/auth_openid/code/Auth/Yadis/XML.php'. This might mean that the wrong code is being used. in /home/a7244252/public_html/sapphire/core/ManifestBuilder.php on line 256
Fatal error: Class 'Extension' not found in /home/a7244252/public_html/sapphire/core/model/DataObjectDecorator.php on line 16
What does it mean?