Getting new errors after upgrading 3.3 to 4

[vinesh]

before upgrading to 4 my 3.3 was without any error and worked perfectly. The below error i'm getting when i click on note from agent interface and a window pop up giving below error

Insufficient Rights
Message: You need note permissions!
Back to the previous page
Go to dashboard!

System log
Wed Nov 26 15:34:03 2014 notice OTRS-otrs.Scheduler-00 Config.pm changed, unsafe to continue!
Wed Nov 26 15:32:33 2014 notice OTRS-CGI-00 Permission denied (UserID: 3 'note' on TicketID: $QData{)!
Wed Nov 26 15:32:33 2014 error OTRS-CGI-00 Need QueueID!
Wed Nov 26 15:32:33 2014 error OTRS-CGI-00 No such TicketID ($QData{)!
Wed Nov 26 15:32:33 2014 error OTRS-CGI-00 No such TicketID ($QData{)!
Wed Nov 26 15:32:33 2014 error OTRS-CGI-00 No such TicketID ($QData{)!

[vinesh]

My issue resolved after deleting all Process Management events and did DBUpdate-to-4.pl which was giving error if the Process Management events are available. Thanks.

[jojo]

this lloks like an inporppoer upgrade. do you have any modules installed?