class_index.php is not generated automatically...

[Anbu mani]

hi,

I am using prestashiop version 1.6.0.9.  And i have a problem with cache regeneration, that is,  if we have deleted the cache/class_index.php is manually... after that if visiting the website then automatically generated the class_index.php of actual process not happen... 

here i renamed the root/cache/  then if we access the site, only smarty folder are created in the cache, other folder and files are not created.

Also i checked the class_index.php path of classes/prestashopautoload.php... and myself i checked the folder permission also 755

So, I don't know how to fix this issue.  Let me know, please advice us...

(Note: very urgent)

Thanks