Squad Rules Change Error

Afternoon all, trying to change the squad rules using the advanced rules for leagues in England so haven't got a 25 man squad in premier league or all the efl rules either, however when I make the changes and test it this comes up which is attached, can anyone help?

https://sortitoutsi.net/content/56794/fm21-beta-is-out

check out the last post, the editor is bugged to hell you cant verify most leagues/nations anyway so no point doing anything until fixed