Thank you for your reply.
I updated Unity to 5.4.3, but SpineMenu was not added.
I would like to uninstall Unity and try again.
20 11 2016, 12:15
I tried it with 5.4.2f2 and 5.4.3f1, but this problem was not solved.
There are no errors in the project.
What else can be considered a problem....?