I recently downloaded the latest version of Traccar and I'm having problems updating the web interface.

You didn't care to mention that your log was flooded with all sorts of errors? It doesn't seem like you respect my time. Good luck with resolving your issue.

oh, sorry.My mistake. againg thanks.

the propertie causing this error was <entry key='speedLimit.enable'>false</entry>
i will check in another working server this attribute.

thanks for the effor.
Victor

and another thing, dont enable what you does not have, problem with sms gateway dont enable in notifications.