Dynamic Copenents HELP!

I am trying to make a button using the dynamic components extension. But it is not working, I am getting a error, and I don't know how to fix it. The error is "com.google.appinventor.components.runtime.button." My whole code is:


My dynamic components extension blocks are:
blocks (9)

I fixed it. I changed the component name from "button" to "Button"