ERROR:SCRIPT: /utils/button.lua:73: attempt to index global 'registered_node' (a nil value)
stack traceback:
/utils/button.lua:73: in function 'unregister'
/main/screens/idle/idle.gui_script:72: in function </main/screens/idle/idle.gui_script:71>
"""
https://github.com/britzl/defold-input/blob/5aa9a302ec526bc8dde48756c2e1dcae2ce9f76f/in/button.lua#L72
Should be
registered_nodes[node] = nil