Tried to revive an old project and now im getting compile errors

thank you for your patience. Ok so the idea is there are these signs on the world and when you aproach them you see a message that says press E to read, then when you press E the blueprint is supposed to show you a specific image (like a museum label). each label has a an actor that shows the message and another that contains the specific sign. I did this straight from a tutorial. I can’t find the exact tutorial I used but it’s something like this: https://www.youtube.com/watch?v=z6KmI_66Ut8