Error in AS, Automation Runtime is not supported

[Mohammad_Asif]

I am using automation studio 6.1.. I upload the program plc but this error getting. Can you help me please.
Runtime version in plc- k.4.34

[Stefan_Holz]

Hi,

it looks like you dont have a Runtime specified… have a look at “Project->Change Runtime Version”.

There should be a Runtime specified.

When do you get the error? right away when you click on “transfer” or “build/Rebuild”?