I have an error in pc box

[11000matias]

I have an error when i change the box size to 40, and try to add all the pokemons from the debug menu and gave me an error.

This is the error:

Spoiler:

[Pokémon Essentials version 17.2]
Exception: NoMethodError
Message: undefined method `[]=' for nil:NilClass
Pokemon_Storage:161:in `[]='
Debug_Menu:457:in `ct_debug_actions'
Debug_Menu:449:in `each'
Debug_Menu:449:in `ct_debug_actions'
CommonTiles:44:in `pbDebugMenuActions'
Debug_Menu:744:in `pbDebugMenu'
Debug_Menu:710:in `loop'
Debug_Menu:746:in `pbDebugMenu'
ModularMenu:475
ModularMenu:474:in `pbFadeOutIn'

(Sorry for the bad english, i used Google Translator )