HELP how to solve this scenario bug?

Scenario editing was fine then suddenly, when I click edit I get this

http://prntscr.com/k69ai2

And it just stays like that

Any solutions? Already tried delete cache, cookies, etc etc

Scenario: Unearthing WWI

http://prntscr.com/k6cp3a

You deleted a border in silverlight, its perma broken. If you delete any border on a copy of a map it will break it in silverlight. The only fix is to copy it and redo the scenario.

Geschrieben von Helly, 18.07.2018 at 09:08

You deleted a border in silverlight, its perma broken. If you delete any border on a copy of a map it will break it in silverlight. The only fix is to copy it and redo the scenario.

What do you mean by copy it? Clone the map again and redo the scenario? Cause even cloning gives the same error