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Battle Processing: Same as Random Encounter Test

BMM_Archive · July 15, 2026

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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: Battle Processing: Same as Random Encounter Test
  • Original author: DmNerd
  • Original date: March 7, 2016
  • Source thread: https://forums.rpgmakerweb.com/threads/battle-processing-same-as-random-encounter-test.58224/
  • Source forum path: Game Development Engines > Legacy Engine Support > RPG Maker MV Support

Summary

When I attempt to test the event - Battle Processing: Same as Random Encounter - I get the error message Cannot read property 'forEach' of undefined. I have setup the Random Encounter region '1' to have a slime and a bat as enemies. TypeError: Cannot read property 'forEach' of undefined     at Game_Player.makeEncounterTroopId (rpg_objects.js:7543)     at Game_Interpreter.command301 (rpg_objects.js:10085)

Archived First Post

When I attempt to test the event - Battle Processing: Same as Random Encounter - I get the error message Cannot read property 'forEach' of undefined. I have setup the Random Encounter region '1' to have a slime and a bat as enemies.


TypeError: Cannot read property 'forEach' of undefined
    at Game_Player.makeEncounterTroopId (rpg_objects.js:7543)
    at Game_Interpreter.command301 (rpg_objects.js:10085)
    at Game_Interpreter.executeCommand (rpg_objects.js:8897)
    at Game_Interpreter.update (rpg_objects.js:8805)
    at Game_Map.updateInterpreter (rpg_objects.js:6082)
    at Game_Map.update (rpg_objects.js:5989)
    at Scene_Map.updateMain (rpg_scenes.js:417)
    at Scene_Map.updateMainMultiply (rpg_scenes.js:409)
    at Scene_Map.update (rpg_scenes.js:398)
    at Function.SceneManager.updateScene (rpg_managers.js:1788)rpg_managers.js:1722 SceneManager.catchException


I'm not sure what I'm doing wrong. Also I have no plugins running.

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