Can someone help me with this error? I keep getting it in a certain map

---------------------------
Pokemon Essentials
---------------------------
[Pokémon Essentials version 18]

Exception: NoMethodError

Message: undefined method `*' for nil:NilClass



Backtrace:

Tilemap_XP:409:in `addTile'

Tilemap_XP:843:in `refresh'

Tilemap_XP:840:in `each'

Tilemap_XP:840:in `refresh'

Tilemap_XP:938:in `update'

TilemapLoader:49:in `update'

Spriteset_Map:130:in `_animationSprite_update'

Sprite_AnimationSprite:89:in `update'

Scene_Map:149:in `updateSpritesets'

Scene_Map:143:in `each'



This exception was logged in

C:\Users\ekere\Saved Games\Pokemon Essentials\errorlog.txt.

Press Ctrl+C to copy this message to the clipboard.
---------------------------
OK
---------------------------

I think this is bad map data. Maruno posted a script to fix this recently: https://www.pokecommunity.com/showthread.php?t=441007