We had a problem with core database, that had been restored by the previous day\'s backup database.
After that the site is working fine but, we are having problem with p
I tried a lot of things and the only one that worked was to synchronize the time between the web server and the database server.
You can do it either updating the time in both servers or using Internet Time tab.
After that, it worked fine.
This worked using Sitecore 6.6.