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LTN Core, Day and Night, Time engine Type error

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: LTN Core, Day and Night, Time engine Type error
  • Original author: GigglePickle
  • Original date: March 14, 2019
  • Source thread: https://forums.rpgmakerweb.com/threads/ltn-core-day-and-night-time-engine-type-error.106815/
  • Source forum path: Game Development Engines > RPG Maker Javascript Plugins > Javascript/Plugin Support

Summary

For my game Im using the LTN core, time engine and day and night plugins. { "lightbox_close": "Close", "lightbox_next": "Next",

Archived First Post

For my game Im using the LTN core, time engine and day and night plugins. Protected download
In testing, whenever I enter a battle I get this error:
upload_2019-3-14_22-24-32.png



I read a similar thread with this sort of error about changing one of the parameters on LTN core.js for the rescale backgrounds paramater for "battle" to false, however that was already set to false.
Heres a screenshot of my parameters:
upload_2019-3-14_22-26-28.png

upload_2019-3-14_22-26-52.png


Day and night plugin parameters:
upload_2019-3-14_22-28-26.png


Time engine plugin parameters:
upload_2019-3-14_22-28-58.png


Here's the dev tool error code:

rpg_managers.js:1949 TypeError: Cannot read property 'battle' of undefined
at Spriteset_Battle.$.rescaleImageBackground (releases_LTN_Core.js:1586)
at Spriteset_Battle.$.locateBattleback (releases_LTN_Core.js:1581)
at Spriteset_Battle.updateBattleback (rpg_sprites.js:2487)
at Spriteset_Battle.update (rpg_sprites.js:2454)
at rpg_scenes.js:262
at Array.forEach (<anonymous>)
at Scene_Battle.Scene_Base.updateChildren (rpg_scenes.js:260)
at Scene_Battle.Scene_Base.update (rpg_scenes.js:113)
at Scene_Battle.Scene_Base.update (releases_LTN_TimeEngine.js:588)
at Scene_Battle.update (rpg_scenes.js:2259)

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Referenced Images / Attachments

upload_2019-3-14_22-24-32.png
upload_2019-3-14_22-24-32.png
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