Adding Leagues to database

[FM2014Fan]

so i downloaded a custom database from the si games forum.. after watching the video from the link below

https://www.youtube.com/watch?v=XMboJxJmJsw

so i watched this video and the custom database that i want to add my league and Cup to i cant edit the nation rules or add nation rules its greyed out just wondering if anyone knows how to fix this

 

[FM2014Fan]

so i was able to find a database that has this kind of idea but it has promotions and relegations in it how do i take them out?