[turba] turba error in index.html line 28

[electron electron]

Hello
I am trying to install horde-cvs turba-cvs and i get an error

Warning: main(/usr/local/apache/htdocs/horde-cvs/turba/): failed to open 
stream: Error 0 in /usr/local/apache/htdocs/horde-cvs/turba/index.php on 
line 28

Fatal error: main(): Failed opening required 
'/usr/local/apache/htdocs/horde-cvs/turba/' 
(include_path='.:/usr/local/php-4.3.3/lib/php') in 
/usr/local/apache/htdocs/horde-cvs/turba/index.php on line 28

Could somebody help me.
Thank you

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