FATAL error in sugar portal

[asmase]

i open sugar portal thrue the developer tools and geting this fatal error

Warning: ViewMain::require_once(modules/ModuleBuilder/Module/SugarPortalTree.php) [function.ViewMain-require-once]: failed to open stream: No such file or directory in /home/asmase/domains/asmase.com/public_html/crm/modules/ModuleBuilder/views/view.main.php on line 68

Fatal error: ViewMain::require_once() [function.require]: Failed opening required 'modules/ModuleBuilder/Module/SugarPortalTree.php' (include_path='/home/asmase/domains/asmase.com/public_html/crm/include/..:.:/usr/local/lib/php') in /home/asmase/domains/asmase.com/public_html/crm/modules/ModuleBuilder/views/view.main.php on line 68

Please has anyone an idea?

thanks from Asmase