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MV [Resolved]Issue Yanfly Battle Engine Core

BMM_Archive · July 15, 2026

BMM_Archive
LEVEL 14 Crown 47,370
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: MV [Resolved]Issue Yanfly Battle Engine Core
  • Original author: Jinx Adnix
  • Original date: May 24, 2026
  • Source thread: https://forums.rpgmakerweb.com/threads/resolved-issue-yanfly-battle-engine-core.183785/
  • Source forum path: Game Development Engines > RPG Maker Javascript Plugins > Javascript/Plugin Support

Summary

Fix: Change 'this._cardTargetActions = null;' to 'this._cardTargetActions = [];' on line 9096 of MYTH_CGC_CoreEngine.js. It seems my lag is a result of party size so unless you have more than one character, you should be good. Farther fix: Adding the following to your end turn action should reduce lag: Code: Discard Untill 0

Archived First Post

Fix: Change 'this._cardTargetActions = null;' to 'this._cardTargetActions = [];' on line 9096 of MYTH_CGC_CoreEngine.js. It seems my lag is a result of party size so unless you have more than one character, you should be good.

Farther fix: Adding the following to your end turn action should reduce lag:
Code: 
<Card Actions>
Discard Untill 0
/<Card Actions>

1779627519935.png

So I'm using this thing with MythAtelier's CCG plugins, and everything was working fine, but now if any of my actors are targeted while they have "block", then the game crashes... By trial and error I've figured out that the YBEC is the issue but I don't recall changing any of the settings and have no idea where to begin looking.

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