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What does "used before it is created" mean?

A block is using a value that doesn't exist yet at that point. Values are made by Create Value, Ask, Count and For Each.

Add a Create Value block earlier, on the path before it. Also check the spelling: Score and score are different names.

Try it

Open it in the editor and run it, then change it and see what happens.

ExampleCreate it, then use it Try it

Start
Create score = 10
Tell "Score: " + score
End

It showsScore: 10

1score = 102print("Score: " + str(score))

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