Invalid call. Nonexistent function 'skin' in base 'KinematicBody2D' (Player.gd)

[random ore]

Spawn.gd (Spawn State)

extends State

var _start_position: = Vector2.ZERO

func _ready() -> void:
    yield(owner, "ready")
    _start_position = owner.position

func _on_PlayerSkin_animation_finished(anim_name: String) -> void:
    _state_machine.transition_to("Move/Air") # Issues here maybe?

func enter(message: Dictionary = {}) -> void:
    owner.is_active = false
    owner.position = _start_position
    #if owner.camera_rig:
    #    owner.camera_rig.is_active = false # This is for a "Camera rig" that we might want to reset.
    owner.skin.play("Spawning")
    owner.skin.connect("animation_finished", self, "_on_PlayerSkin_animation_finished")

func exit() -> void:
    owner.is_active = true
    #if owner.camera_rig:
    #    owner.camera_rig.is_active = true # This is for a "Camera rig" that we want restored.
    owner.skin.disconnect("animation_finished", self, "_on_PlayerSkin_animation_finished")

Player.gd