Message box missing from Activies pane

Hi Team,

I ran into some issues about the message box is missing from the activities pane. I’ve already installed all packages but to no avail. Please see image below for reference.


I’m just a rookie and still learning a lot in this field. your advice is highly appreciated. thank you in advance.

Hi ,
How about uninstall Uipath.Core.Activities from package manager pane and restart the studio .

Hi Sir,

I tried that but when I -reinstalled it gives me an error:


where can I find package? by the way, im using ver. 2016.2.6379

thank you for your reply.

You can download from net or try this and place in it package folder .