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MVLyra's Error Extras (image behind errors, stack trace..) [MV + MZ]

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: Lyra's Error Extras (image behind errors, stack trace..) [MV + MZ]
  • Original author: LyraVultur
  • Original date: August 12, 2023
  • Source thread: https://forums.rpgmakerweb.com/threads/lyras-error-extras-image-behind-errors-stack-trace-mv-mz.160222/
  • Source forum path: Game Development Engines > RPG Maker Javascript Plugins > JS Plugin Releases (RMMV)

Summary

This is a simple plugin that lets you set a background image behind your error screen, as well as adjust the default error opacity and blur settings. Works for MV or MZ. If you are using MZ, you can also turn on stack tracing to show more verbose errors. Useful for hunting down how users triggered the error. { "lightbox_close": "Close", "lightbox_next": "Next",

Archived First Post

This is a simple plugin that lets you set a background image behind your error screen, as well as adjust the default error opacity and blur settings. Works for MV or MZ. If you are using MZ, you can also turn on stack tracing to show more verbose errors. Useful for hunting down how users triggered the error.

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How to Use
Add the .js file to your project's js/plugin folder, then open up the plugin manager in the editor and add the plugin.
There's general help to the left side and specific settings help if you double-click on them.
The settings are:
  • Error Background Image - The image to show behind an error. Leave blank or choose (None) in the popup to have nothing (which is the default).
  • Error Background Opacity - Adjust the opacity of the map when an error is shown. Default is 0.5.
  • Use Default Blur - Turn the default blur effect on errors on or off.
  • Verbose Errors - MZ only. Also shows a stack trace on the error screen in a scroll box.
If the image file for the error screen can't be found when you boot up the game, it will print a warning in the developer console (playtest only). This message is intended for developers to fix the problem and not for end users.

Note to VisuStella Users (MZ only)
If you use VisuStella's Core Plugin, that hardcodes many common errors to appear in the debug console only which will override this plugin. Some critical errors will still show.
Terms of Use
You can view the license here. In short, it is free for commercial or non-commercial use. Credit is optional as long as you don't claim it as your own work.

Downloads
You can download just the plugin here. Press the 'Raw' button then Ctrl+S to save it.

Downloads / Referenced Files

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License / Terms Note

Terms of Use You can view the license here. In short, it is free for commercial or non-commercial use. Credit is optional as long as you don't claim it as your own work. Downloads You can download just the plugin here. Press the 'Raw' button then Ctrl+S to save it.

Creator Claims / Removal

If you are the original creator and want this listing reassigned, edited, or removed, join BMMPlay and contact the moderators with proof that matches the original RPG Maker Web profile, linked GitHub, itch.io page, or another public creator identity.

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