FireTornado is not a valid member is RepStorage. Any Ideas at all?

So im making a magic spell which is a tornado. And everything seems to be going well until i got this error. Here's the link to the code and the output. https://gyazo.com/a6c9a120f03d4db78856daad46b2eb53

By the way im new to coding so if you can drop a tip that would great!