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:
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:
Day and night plugin parameters:
Time engine plugin parameters:
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)
In testing, whenever I enter a battle I get this error:
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:
Day and night plugin parameters:
Time engine plugin parameters:
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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