message: [Hotfix] access slice_id when slice exists
diff: @@ -62,7 +62,7 @@ class SaveModal extends React.Component {
  let sliceName = null;
  sliceParams.action = this.state.action;
  - if (this.props.slice.slice_id) {
  + if (this.props.slice && this.props.slice.slice_id) {
  sliceParams.slice_id = this.props.slice.slice_id;
  }
  if (sliceParams.action === 'saveas') {
  