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It is hard to believe you followed the steps letter by letter if I see this:
The procedure block is not even connected, it is just floating. You need to connect it like this:
If you were not watching this tutorial, but something else, try to follow this tutorial this time:
https://www.youtube.com/watch?v=qdGJY7ljujM&list=PLAeL-oIFIEngE6jRgFYeFMfuj8WQsO3Ei&index=13&t=5s
You can find link to mcr workspace of the tutorial mod too for better examples.
I suggest you to watch this playlist too: https://www.youtube.com/playlist?list=PLAeL-oIFIEngE6jRgFYeFMfuj8WQsO3Ei