ki-frontend/public/img/bootstrap-icons-1.5.0/slash-square-fill.svg

<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-slash-square-fill" viewBox="0 0 16 16">
  <path d="M2 0a2 2 0 0 0-2 2v12a2 2 0 0 0 2 2h12a2 2 0 0 0 2-2V2a2 2 0 0 0-2-2H2zm9.354 5.354-6 6a.5.5 0 0 1-.708-.708l6-6a.5.5 0 0 1 .708.708z"/>
</svg>