In the previous version of the template in the menu properties (source field) there was "Adventure Creator" preset for all the Menu. And as for your answer the preview in game worked. The new template once installed set "Unity UI pref…
Found the solution thanks for your help! In the action script I had added the command "move to point" because I wanted to stop walking the NPC before giving him the object, but without "wait until finish" checked. So correctly AC…
Thanks a lot. I had already seen that with this config it worked. The problem is that there is an ugly effect in the text line: I click on the "give" button and on the object and after on the NPC (in the inventory cursor I've checked "…