Trying to assign value of type ‘Panel’ to a variable of type ‘VBoxContainer’.

Godot Version

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Question

Help, when I’m trying to launch my game the error comes up:

E 0:00:00:811 @implicit_ready: Trying to assign value of type ‘Panel’ to a variable of type ‘VBoxContainer’.

extends Node2D
@onready var main_buttons: VBoxContainer = $mainbuttons
@onready var options: VBoxContainer = $Options
# Called when the node enters the scene tree for the first time.


# Called every frame. 'delta' is the elapsed time since the previous frame.
func _process(delta: float) -> void:
	pass

func _ready() -> void:
	pass # Replace with function body.
	main_buttons.visible = true
	options.visible = false
	
func _on_start_pressed() -> void:
	get_tree().change_scene_to_file("res://scenes/world.tscn")


func _on_options_pressed() -> void:
	print("Options pressed")
	main_buttons.visible = false 


func _on_quit_pressed() -> void:
	get_tree().quit()

Either one of these is a Panel, not a VBoxContainer.