[Error] Game crashes whenever I go into battle

[Pokémon Essentials version 20]
[v20 Hotfixes 1.0.5]

Exception: TypeError
Message: nil can't be coerced into Integer

Backtrace:
[Generation 8 Pack Scripts] EBDX Wrapper.rb:136:in `*'
[Generation 8 Pack Scripts] EBDX Wrapper.rb:136:in `refresh'
[Generation 8 Pack Scripts] EBDX Wrapper.rb:39:in `initialize'
[Generation 8 Pack Scripts] EBDX Wrapper Compatibility.rb:14:in `new'
[Generation 8 Pack Scripts] EBDX Wrapper Compatibility.rb:14:in `front_sprite_bitmap'
[Generation 8 Pack Scripts] EBDX Wrapper Compatibility.rb:38:in `sprite_bitmap_from_pokemon'
192:Battle_Scene_Objects:558:in `setPokemonBitmap'
187:Battle_Scene:396:in `pbChangePokemon'
188:Scene_Initialize:87:in `block in pbInitSprites'
188:Scene_Initialize:85:in `each'

If anyone has an idea on how to fix this please let me know.

I had the same issue while using GolisopodUser's gen 8 extension plugin
If you compile the PBS and compile it again it should work (it did for me)