[Error] Undefined UpdateMap Error

[DonutDoctor10]

I have no idea why, but all of a sudden, whenever I try to load my save file I get this error. Does anyone know why this is happening and how I can fix it?
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Pokemon Essentials
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[Pokémon Essentials version 17.2]

Exception: NoMethodError

Message: undefined method `updateMap' for nil:NilClass

PScreen_Load:395:in `loadSpriteConversion'

PScreen_Load:322:in `loop'

PScreen_Load:462:in `loadSpriteConversion'

EliteBattle_0:692:in `pbStartLoadScreen'

Main:6:in `main'

Main:49:in `mainFunctionDebug'

Main:27:in `mainFunction'

Main:27:in `pbCriticalCode'

Main:27:in `mainFunction'

Main:59



This exception was logged in

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

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OK
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