I have Tizen Studio 4.6.
Already created a Tizen5.5 wearable native GUI app, and a native service app. Now I wish to bundle them together, for easier installation.
However Tizen Studio always give me a non-informative error:
So, then how am I supposed to create the multi-package?

In my case of me, I tested it on TizenStduio 5.0 It works fine. I can make multi-package of wearable 5.5(basicui + service app) When I see your image, I think that you did not install fully sdk. Could you install the sdk again? Thanks