Type 'ReactNode' is not assignable to type 'Node'.

ROOT.render(<StrictMode>{createPortal(<App />, PLAYER_GUI as PlayerGui)}</StrictMode>);

ROOT.render(<StrictMode>{createPortal(<App />, PLAYER_GUI as PlayerGui)}</StrictMode>);

ROOT.render(<StrictMode>{createPortal(<App />, PLAYER_GUI as PlayerGui)}</StrictMode>);

ROOT.render(<StrictMode>{createPortal(<App />, PLAYER_GUI as PlayerGui)}</StrictMode>);

Error here:

Argument of type 'Node' is not assignable to parameter of type 'ReactNode'.
  Type 'Instance' is not assignable to type 'ReactNode'.

Argument of type 'Node' is not assignable to parameter of type 'ReactNode'.
  Type 'Instance' is not assignable to type 'ReactNode'.

Argument of type 'Node' is not assignable to parameter of type 'ReactNode'.
  Type 'Instance' is not assignable to type 'ReactNode'.

Argument of type 'Node' is not assignable to parameter of type 'ReactNode'.
  Type 'Instance' is not assignable to type 'ReactNode'.