Spain low leagues

Anyone can tell me if its possible get any data base file with low leagues of spain ? cuz already get 3 files and the game said its incomplete, like 18 teams but 21 needed. 

https://www.fmsite.net/files/file/1506-sistema-regional-espana-fm24/

this is the best file in my opinion, and it's updated to 24.3 version of the database