App Designer doesn't recognize my project File name

I did some coding using App Designer in the last year for a litle proyect that i saved for later.

Right now I'm trying to run it from another pc but it keeps poping the same error:

Error using evalin

Unrecognized function or variable 'Teoriasdemecanismos'.

'Teoriademecanismos' is the file name so i'm confused on how to solve it

I didn't change any of the coding so i'm not sure how to solve it

[Salvador Rocel Rodriguez Torres]

Sorry to everyone, I just remembered that It needed a folder with that name to work. I just did that and the App Code worked again. So i just answered myself