Canvas is a namespace but is used like a type RectTransform Actions errors

[DigitalDesignSvc]

Unity Version 2020.3.22f1
Playmaker Version 1.9.4.f2 - Nov 4, 2021

Followed the asset store bug removal thread and redownloaded the current version.  Installed successfully.  Upon installation finish Unity immediately threw up six errors on the RectTransform actions.  They all indicate the same error "CS0118: 'Canvas' is a namespace but is used like a type".

[DigitalDesignSvc]

More details to follow on.  Here is the first script error (RectTransformPixelAdjustPoint.cs(31,3):

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using UnityEngine;
namespace HutongGames.PlayMaker.Actions
{
[ActionCategory("RectTransform")]
[Tooltip("Convert a given point in screen space into a pixel correct point.")]
public class RectTransformPixelAdjustPoint : BaseUpdateAction
{
[RequiredField]
[CheckForComponent(typeof(RectTransform))]
[Tooltip("The GameObject target.")]
public FsmOwnerDefault gameObject;

[RequiredField]
[CheckForComponent(typeof(Canvas))]
[Tooltip("The canvas. Leave to none to use the canvas of the gameObject")]
public FsmGameObject canvas;

[Tooltip("The screen position.")]
public FsmVector2 screenPoint;

[ActionSection("Result")]
[RequiredField]
[Tooltip("Pixel adjusted point from the screen position.")]
[UIHint(UIHint.Variable)]
public FsmVector2 pixelPoint;

RectTransform _rt;
Canvas _canvas;
The error is occurring on the last line above.  In Visual Studio there is a red squiggly line under the "Canvas" in line 17

Code: [Select]

[CheckForComponent(typeof(Canvas))]
as well as the line 31

Code: [Select]

Canvas _canvas;
and 55

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_canvas = goCanvas.GetComponent<Canvas>();