v21.1 My game crashes when I save a new wild encounter

[Pavlote]

Hi, I've got a problem with wild encounters. When i set a new encounter everything seems to be ok but when i try to save it the game crashes
Can anyone help me?

[Pokémon Essentials version 21.1]
[v21.1 Hotfixes 1.0.5]

Exception: SystemStackError
Message: stack level too deep

Backtrace:

 

[wrigty12]

You cut off one of the most important parts, the backtrace lol. Can you put in the full crash?