hi, I mail several times reagrading upgrade issue. I am facing a problem while upgrading from 2.04 version to 2.47. I followed every steps its upgraded nicely but there is a very big problem encountered. The image will tell the story. I got the following syslog while selecting any ticket. *J**Jun 30 19:04:14 newotrs-oslo OTRS-CGI-1[1429]: [Error][Kernel::System::Ticket::TicketAccountedTimeGet][Line:6414]: ERROR: relation "time_accounting" does not exist, SQL:* 'SELECT time_unit FROM time_accounting WHERE ticket_id = ?' Jun 30 19:04:14 newotrs-oslo OTRS-CGI-1[1429]: [Error][Kernel::System::User::GetUserData][Line:144]: Need User or UserID! Jun 30 19:04:14 newotrs-oslo OTRS-CGI-1[1429]: [Error][Kernel::System::Ticket::Permission][Line:3001]: Need TicketID! Jun 30 19:04:14 newotrs-oslo OTRS-CGI-1[1429]: [Error][Kernel::System::Ticket::Permission][Line:3001]: Need TicketID! Jun 30 19:04:14 newotrs-oslo OTRS-CGI-1[1429]: [Error][Kernel::System::Ticket::Permission][Line:3001]: Need TicketID! Jun 30 19:04:14 newotrs-oslo OTRS-CGI-1[1429]: [Error][Kernel::System::Ticket::Permission][Line:3001]: Need TicketID! Jun 30 19:04:14 newotrs-oslo OTRS-CGI-1[1429]: [Error][Kernel::System::Ticket::Permission][Line:3001]: Need TicketID! Jun 30 19:04:14 newotrs-oslo OTRS-CGI-1[1429]: [Error][Kernel::System::Ticket::Permission][Line:3001]: Need TicketID! Jun 30 19:04:14 newotrs-oslo OTRS-CGI-1[1429]: [Error][Kernel::System::Ticket::Permission][Line:3001]: Need TicketID! Jun 30 19:04:14 newotrs-oslo OTRS-CGI-1[1429]: [Error][Kernel::System::Ticket::Permission][Line:3001]: Need TicketID! Jun 30 19:04:14 newotrs-oslo OTRS-CGI-1[1429]: [Error][Kernel::System::Ticket::Permission][Line:3001]: Need TicketID! Jun 30 19:04:14 newotrs-oslo OTRS-CGI-1[1429]: [Error][Kernel::System::Ticket::Permission][Line:3001]: Need TicketID! Jun 30 19:04:14 newotrs-oslo OTRS-CGI-1[1429]: [Error][Kernel::System::Ticket::LockIsTicketLocked][Line:4864]: Need TicketID! Jun 30 19:04:14 newotrs-oslo OTRS-CGI-1[1429]: [Error][Kernel::System::Ticket::Permission][Line:3001]: Need TicketID! Jun 30 19:04:14 newotrs-oslo OTRS-CGI-1[1429]: [Error][Kernel::System::Ticket::LockIsTicketLocked][Line:4864]: Need TicketID! Jun 30 19:04:14 newotrs-oslo OTRS-CGI-1[1429]: [Error][Kernel::System::Ticket::Permission][Line:3001]: Need TicketID! Jun 30 19:04:14 newotrs-oslo OTRS-CGI-1[1429]: [Error][Kernel::System::Ticket::Permission][Line:3001]: Need TicketID! Jun 30 19:04:14 newotrs-oslo OTRS-CGI-1[1429]: [Error][Kernel::System::Ticket::LockIsTicketLocked][Line:4864]: Need TicketID! Jun 30 19:04:14 newotrs-oslo OTRS-CGI-1[1429]: [Error][Kernel::System::Ticket::Permission][Line:3001]: Need TicketID! Jun 30 19:04:14 newotrs-oslo OTRS-CGI-1[1429]: [Error][Kernel::System::Ticket::LockIsTicketLocked][Line:4864]: Need TicketID! Jun 30 19:04:14 newotrs-oslo OTRS-CGI-1[1429]: [Error][Kernel::System::Ticket::Permission][Line:3001]: Need TicketID! Could you help me.Please let me know. -Ekram