I've just installed version 1.10 and I'm getting this issue with every ticket...Your lock is expiring soon.The lock you hold on this ticket will expire soon. Would you like to renew the lock?If I try to renew the lock, it just gets stuck there...If I don't do nothing, and just try to close the ticket, replying to the user, I get an error: This action requires a lock. Please try again What to do ? Info:PHP 5.6Osticket 1.10 (latest version)Apache 2.2.15Mysql 5.5This was an upgrade from version 1.9