MadoTAS (RGSS v3) crashes when loading a battle

I'm trying to run MadoTAS with MKXP-Z, so that I can get rid of Wine. However, the game always crashes before a battle starts, with the following output:

140:LNX11a_XPスタイルバトル:1015:in `dispose': No instance data for variable (missing call to super?) (MKXPError)
    from 140:LNX11a_XPスタイルバトル:1015:in `dispose'
    from 140:LNX11a_XPスタイルバトル:468:in `initialize'
    from 140:LNX11a_XPスタイルバトル:4434:in `new'
    from 140:LNX11a_XPスタイルバトル:4434:in `create_popup'
    from 140:LNX11a_XPスタイルバトル:4325:in `start'
    from 173:42 敵ＡＰゲージ描画２:60:in `start'
    from 195:A1バトル共通スクリプト:765:in `start'
    from 196:リザルトウィンドウ:424:in `start'
    from 224:バトルリトライ:175:in `start'
    from 100:Scene_Base:12:in `main'
    from 221:MOG_Weather_EX:672:in `main'
    from 006:SceneManager:22:in `run'
    from 276:Main:7:in `block in <main>'
    from 276:Main:7:in `rgss_main'
    from 276:Main:7:in `<main>' 
EventThread termination requested 
RGSS thread ack'd request after 0 ms 
Shutting down.

Battles start without issue with Wine.

mkxp-z / mkxp-z

MadoTAS (RGSS v3) crashes when loading a battle #196