How do I save and load

I tried to use the save and load action in System. It looks like

When Player in collision with Save ->System Save

When Load button is clicked ->System Load

But on the preview, the say that there is a third party error. I watched tutorials and they were working. Why?

I tried to use the save and load action in System. It looks like

When Player in collision with Save ->System Save

When Load button is clicked ->System Load

But on the preview, the say that there is a third party error. I watched tutorials and they were working. Why?

seems to me a kinda of add-ln/plugin conflict. are you using add ons?

No

No

Link a capx