Create Strings using Template Literals error "invalid regular expression flag l"

Tell us what’s happening:
When launch code I get such error “invalid regular expression flag l”. Please tell me what am I doing wrong

Your code so far

const result = {
  success: ["max-length", "no-amd", "prefer-arrow-functions"],
  failure: ["no-var", "var-on-top", "linebreak"],
  skipped: ["id-blacklist", "no-dup-keys"]
function makeList(arr) {
  "use strict";

  // change code below this line

  const resultDisplayArray = => `<li class="text-warning">${val}</li>`);

  // change code above this line

  return resultDisplayArray;
 * makeList(result.failure) should return:
 * [ <li class="text-warning">no-var</li>,
 *   <li class="text-warning">var-on-top</li>, 
 *   <li class="text-warning">linebreak</li> ]
const resultDisplayArray = makeList(result.failure);

Your browser information:

User Agent is: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:60.0) Gecko/20100101 Firefox/60.0.

Link to the challenge:

It’s a bug, please see the multiple previous posts on the subject. I realise it’s extremely frustrating but I can only advise [unless someone can suggest something different] skipping this challenge, or see how people have gotten around the bug and paste that answer in until the bug is fixed.

I understand. Thank you for advise))