unable to create session based on winbox app

Hello,

which datasource do you use? Also do you refer to the Free or Enterprise version?

Please try the following:
Tools => Add-On Manager => Winbox => (Re)Enable the Add-On

Regards,
Min

hi
thanks for your answer,
i supposed after upgrade active component will still be remain active.

Hello,

yes it does - but in individual cases it's needed to reactivate. Does it work for you?

Regards,
Min

hi
yes it works