What are your configuration settings for the menu?
Viewing post in RPG Maker MV/MZ: Menu Builder comments
{"Identifier Name":"menutest","Preload Backgrounds":"[]","On Load Script Calls":"[]","Backgrounds":"","Back Graphics":"[]","Selection Window":"{\"Dimension Configuration\":\"{\\\"X\\\":\\\"0\\\",\\\"Y\\\":\\\"0\\\",\\\"Width\\\":\\\"1\\\",\\\"Height\\\":\\\"1\\\"}\",\"Window Font and Style Configuration\":\"{\\\"Font Settings\\\":\\\"\\\",\\\"Font Size\\\":\\\"16\\\",\\\"Font Face\\\":\\\"sans-serif\\\",\\\"Base Font Color\\\":\\\"#ffffff\\\",\\\"Font Outline Color\\\":\\\"rgba(0, 0, 0, 0.5)\\\",\\\"Font Outline Thickness\\\":\\\"3\\\",\\\"Window Skin\\\":\\\"\\\",\\\"Window Opacity\\\":\\\"255\\\",\\\"Show Window Dimmer\\\":\\\"false\\\"}\",\"Item Width\":\"1\",\"Item Height\":\"1\",\"Max Columns\":\"1\",\"Selection Options\":\"[\\\"{\\\\\\\"Name\\\\\\\":\\\\\\\"Option\\\\\\\",\\\\\\\"Alternative Name\\\\\\\":\\\\\\\"Alternative Name\\\\\\\",\\\\\\\"Display Requirements\\\\\\\":\\\\\\\"\\\\\\\",\\\\\\\"Select Requirements\\\\\\\":\\\\\\\"\\\\\\\",\\\\\\\"Description\\\\\\\":\\\\\\\"\\\\\\\\\\\\\\\"\\\\\\\\\\\\\\\"\\\\\\\",\\\\\\\"Pictures\\\\\\\":\\\\\\\"[]\\\\\\\",\\\\\\\"Static Graphic\\\\\\\":\\\\\\\"\\\\\\\",\\\\\\\"Animated Graphic\\\\\\\":\\\\\\\"\\\\\\\",\\\\\\\"Video\\\\\\\":\\\\\\\"\\\\\\\",\\\\\\\"Video X\\\\\\\":\\\\\\\"0\\\\\\\",\\\\\\\"Video Y\\\\\\\":\\\\\\\"0\\\\\\\",\\\\\\\"Video Width\\\\\\\":\\\\\\\"0\\\\\\\",\\\\\\\"Video Height\\\\\\\":\\\\\\\"0\\\\\\\",\\\\\\\"Scene Button\\\\\\\":\\\\\\\"\\\\\\\",\\\\\\\"Event Execution\\\\\\\":\\\\\\\"0\\\\\\\",\\\\\\\"Code Execution\\\\\\\":\\\\\\\"\\\\\\\\\\\\\\\"\\\\\\\\\\\\\\\"\\\\\\\"}\\\"]\",\"Draw Gauges\":\"[]\",\"Draw Name\":\"false\",\"Name Text\":\"%1\",\"Name X\":\"0\",\"Name Y\":\"0\",\"Draw Alternative Name\":\"false\",\"Alternative Name Text\":\"%1\",\"Alternative Name X\":\"0\",\"Alternative Name Y\":\"0\",\"Draw Description\":\"false\",\"Description X\":\"0\",\"Description Y\":\"0\",\"Draw Picture\":\"false\",\"Picture Index\":\"$gameVariables.value(1)\",\"Picture X\":\"0\",\"Picture Y\":\"0\",\"Picture Width\":\"0\",\"Picture Height\":\"0\"}","Selection Data Windows":"[]","Basic Windows":"","Fore Graphics":"[]","Foregrounds":"[]"}