[Invalid property x set to -1024 Missing plugin? gsap.registerPlugin() only in production mode]

Hi! 

Somehow my  TweenLite animation won't work in the production mode. It works without errors in development mode.

Also: I have another TweenLite animation and this one works like it should.

What am I doing wrong?

 

<script src="https://cdnjs.cloudflare.com/ajax/libs/gsap/3.2.4/gsap.min.js"></script>

 

const {gsap} = require('gsap/dist/gsap');
import {TweenLite} from 'gsap';
import 'gsap/CSSPlugin';
gsap.registerPlugin(TweenLite);

const nextInstruction = document.getElementById('nextInstruction');
let instructionLevel = 0;
const xTo = instructionsContainer.offsetWidth;

nextInstruction.addEventListener(`click`, function () {
	instructionLevel ++;
	const instruction = document.querySelectorAll('.instruction');
	TweenLite.to(instruction, 1, {
		x: - (instructionLevel * xTo)
	});
}