Fatar error after install

[vforum]

hi, i uninstalled free 2.4.4

and installed, configured 4.x according to readme

i am getting this error, when trying to access forum or translate in cms:

Warning: require_once([path]/includes/vbenterprisetranslator_class_friendlyURL.php) [function.require-once]: failed to open stream: No such file or directory in [path]/includes/class_friendly_url.php(287) : eval()'d code on line 4

Fatal error: require_once() [function.require]: Failed opening required '/home2/muscleta/public_html/---muscle---/includes/vbenterprisetranslator_class_friendlyURL.php' (include_path='.:/usr/lib64/php:/usr/lib/php') in /home2/muscleta/public_html/---muscle---/includes/class_friendly_url.php(287) : eval()'d code on line 4