Cannot Add Script to Player Ship

[Charly]

When I attempted to drag the Player Controller script onto the Player Ship object, I get this error:

I get the same error regardless of whether I try to attach it to the instance or the prefab. Here’s a screenshot of the instance in the Inspector:

Any insights appreciated!

Edit: here’s a screenshot of the script:

[fhex]

Might have renamed the script but not the “public class : PlayerController : monoBehaviour”
the script name needs to have exactly the same name as the text there " PlayerController "

[111100]

check if there is space beteen words in script file

[Charly]

Thanks, that was exactly the problem! I’ve never made that mistake before so it never occurred to me to look for that.