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Help with MV - Something related to Battle and Luna engine.

BMM Archive · July 15, 2026

Preserved forum archive. This topic stores the original first post and locally mirrored RPG Maker Web attachments when available. It is posted by the BMMPlay archive account, not by the original creator.

Original Source

  • Original title: Help with MV - Something related to Battle and Luna engine.
  • Original author: phamtruong1992
  • Original date: November 22, 2015
  • Source thread: https://forums.rpgmakerweb.com/threads/help-with-mv-something-related-to-battle-and-luna-engine.51225/
  • Source forum path: Game Development Engines > RPG Maker Javascript Plugins > Javascript/Plugin Support

Summary

Sorry to be out of topic but i'm having a problem: /C:/Users/Mr%20John/Documents/Games/Project2/js/plugins/YED_LunaEngine.js:1132 Uncaught TypeError: Cannot set property 'GUIBase' of undefined   rpg_managers.js:1618 TypeError: Cannot read property 'contains' of undefined

Archived First Post

Sorry to be out of topic but i'm having a problem:

/C:/Users/Mr%20John/Documents/Games/Project2/js/plugins/YED_LunaEngine.js:1132 Uncaught TypeError: Cannot set property 'GUIBase' of undefined

 

rpg_managers.js:1618 TypeError: Cannot read property 'contains' of undefined

    at Game_Actor.isAbsorbElement (file:///C:/Users/Mr%20John/Documents/Games/Project2/js/plugins/YEP_ElementAbsorb.js:125:39)

    at Game_Actor.Game_BattlerBase.elementRate (file:///C:/Users/Mr%20John/Documents/Games/Project2/js/plugins/YEP_ElementAbsorb.js:102:14)

    at Game_Action.<anonymous> (file:///C:/Users/Mr%20John/Documents/Games/Project2/js/rpg_objects.js:1712:27)

    at Array.map (native)

    at Game_Action.elementsMaxRate (file:///C:/Users/Mr%20John/Documents/Games/Project2/js/rpg_objects.js:1711:46)

    at Game_Action.elementsMaxRate (file:///C:/Users/Mr%20John/Documents/Games/Project2/js/plugins/YEP_ElementAbsorb.js:147:49)

    at Game_Action.calcElementRate (file:///C:/Users/Mr%20John/Documents/Games/Project2/js/rpg_objects.js:1703:21)

    at Game_Action.makeDamageValue (file:///C:/Users/Mr%20John/Documents/Games/Project2/js/rpg_objects.js:1669:34)

    at Game_Action.apply (file:///C:/Users/Mr%20John/Documents/Games/Project2/js/rpg_objects.js:1656:30)

    at Game_Action.apply (file:///C:/Users/Mr%20John/Documents/Games/Project2/js/plugins/YEP_BattleEngineCore.js:2126:34)

 

 

 

I got this error while having a battle, this might be something related to battle core and luna engine and especially element absorb but i dont wanna turn this feature off, how can i solve this? It's really wierd cuz i had been testing for a while then this issue came out of no where.

 

P/s: Oh some Mods had moved my post to a new topic. And now i can attach the screenshot.

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