HELPPP keep losing indexphp file

[gvcam58]

After doing a restore, everything works fine but next day i got this error when trying to go to admin have already gone over this with network solutions who is hosting and they cant find any issues on thier end seems the indexphp file just dissapears . Im using 5.2 version

ADMIN
Fatal error: ViewList::require_once() [function.require]: Failed opening required '' (include_path='/data/20/1/115/129/1930455/user/2104242/htdocs/crm/include/..:.:/usr/services/vux/lib/php') in /data/20/1/115/129/1930455/user/2104242/htdocs/crm/include/MVC/View/views/view.list.php on line 89

[Angel]

These type of errors usually indicate permissions problems, hence the reason why it can't find specific files. The problem is most likely with the cached directory or its contents.