Hello,
I think I have detected two problems in v3.4.1:

The first is in the class TicketSimple, when the construct function, you make the function call to unset the variable WorkElement. Only as TicketSimple inherits Ticket, if the variable is used WorkElement from TicketSimple menu (eg in the DeleteControl function), we show that a mistake because he does not know this property.

I propose not to unset the variable WorkElement.

Second problem, the Audit class in getBrowser function, when you try to determine the browser used, you make a series of condition (elseif) containing all the most known browsers but if it is a browser is not in this list, there are at 1 undefined variable ($ ub)

Must initialize the variable.