How to change number of participation teams on a leauge using editor?

hello, can anyone tell me how to change number of paticipation teams using editor?
i want to change number teams on a league from 18 to 20, i already try editor, but it just wont work

thanks for your help
sorry for my bad english

Hi Athena!

I don't believe it can be done, it involves changing the original FM.exe file which is protected by copywrite. I may be wrong but to my knowledge it can't be done.