Hi, I am using Unity 2.22.3.17 and I have imported PlayMaker into the project. In editor mode, the state machine I created or the template I saved works. But when I run the PC version of the build, it doesn't play right where the template is used. If I replace the template with a state machine that has the same effect, there is no problem.Why, please? thanks.

Later I solved this problem

I created a new project and imported Playmaker and Easy Save3
It is functioning properly, confirming the following:
Edit > Project Settings > Player >Script Compilation > Scripting Define Symbols

Then go back to the project that is running abnormally and go to the same place to confirm:
Edit > Project Settings > Player >Script Compilation > Scripting Define Symbols

Compare the differences between the two,
In Scripting Define Symbols, there should be Playmaker related content, but in the project that is running abnormally, it disappears.
After adding the content, it is now back to normal.

But why did it disappear?
Why doesn't it recover on its own after removing and reinstalling Playmaker?

The decision to use Playmaker or any other visual scripting tool ultimately depends on your specific needs, preferences, and project requirements. Playmaker can be a powerful tool for prototyping, rapid development, and creating gameplay logic without writing traditional code.

I'm biased but I think it's a good tool. Keep things simple at first like for any project. Try to find a few finished projects available on the Asset Store that use PM.
Stick to PC programming with Playmaker. If you want to dabble in mobile games, only do it on iOS. IMHO the real issue lies outside of Playmaker and this is where Android will be hard to work on.

Also I asked AI to help me but the code provided by ai doesn't work

using UnityEngine;
using HutongGames.PlayMaker;

public class Align2DImageWith3DObject : FsmStateAction
{
    public FsmObject image2D;
    public FsmObject object3D;
    public FsmObject mainCamera;

    public override void OnUpdate()
    {
        // Convert the 3D object's position to screen space.
        Vector3 screenPosition = ((Camera)mainCamera.Value).WorldToViewportPoint(((GameObject)object3D.Value).transform.position);

        // Convert the viewport position to a position that can be used for the RectTransform.
        Vector2 proportionalPosition = new Vector2(screenPosition.x * Screen.width, screenPosition.y * Screen.height);

        // Update the 2D image's position.
        ((RectTransform)image2D.Value).localPosition = proportionalPosition;
    }
}