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MZ CCEx created character crashes game on battle screen

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: MZ CCEx created character crashes game on battle screen
  • Original author: lanternthief
  • Original date: June 25, 2023
  • Source thread: https://forums.rpgmakerweb.com/threads/ccex-created-character-crashes-game-on-battle-screen.158660/
  • Source forum path: Game Development Engines > RPG Maker Javascript Plugins > Javascript/Plugin Support

Summary

RMMZ 1.5.0 I've been working on project (arena 1v1 duel sim) and I'm encountering an error during playtest whenever beginning battle processing: Error Uncaught TypeError: Failed to execute 'getImageData' on 'CanvasRenderingContext2D': Value is not of type 'long'.

Archived First Post

RMMZ 1.5.0

I've been working on project (arena 1v1 duel sim) and I'm encountering an error during playtest whenever beginning battle processing:

Error
Uncaught TypeError: Failed to execute 'getImageData' on 'CanvasRenderingContext2D': Value is not of type 'long'.


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The CCEx plugins were additions after some time in the project file, which worked as intended. It wasn't until testing combat did the error occur. It does not occur when using a normal actor.

Here is the current plugin list:

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The project is young enough that if restarting it as a new project path were required I am not worried about scuttling it. However, even when running them in a fresh Project1, I get a different report:

TypeError
Cannot read property 'constructor' of undefined


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I would prefer to keep the previous work, but if I can at least figure out the new project issue, that would be fair enough for me.

I can offer any other information if this is not enough to suss out where I went wrong. Hoping someone with more knowledge and/or experience can point out a fix. Thanks for reading.

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Referenced Images / Attachments

errorscript.png
errorscript.png
pluginlist.png
pluginlist.png
fresherrorscript.png
fresherrorscript.png
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#039#rpg-maker-archive#js-support

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