Click in and then out the search input whithout writing anything generate error : Uncaught TypeError: Cannot read properties of null (reading 'classList').

const asyncAutocomplete = document.querySelector('#autocomplete');
const asyncFilter = async (query) => {
    if(query == ""){
      return [];
    }
    const url = url + `${encodeURI(query)}`;
    const response = await fetch(url);
    const data = await response.json();
    return data;
  };

  new mdb.Autocomplete(asyncAutocomplete, {
    filter: asyncFilter,
    displayValue: (value) => value.val,
    noResults: "No result"
  });

  asyncAutocomplete.addEventListener('itemSelect.mdb.autocomplete', (e) => {
    //select value
  })

Thanks