message: remove invalid path
diff: @@ -122,7 +122,7 @@ export default class ErrorBag {
  * Collects errors into groups or for a specific field.
  */
  collect (field?: string, scope?: string | null, map?: boolean = true) {
  - if (!field) {
  + if (isNullOrUndefined(field)) {
  const collection = {};
  this.items.forEach(e => {
  if (! collection[e.field]) {
  @@ -135,10 +135,6 @@ export default class ErrorBag {
  return collection;
  }
  - if (isNullOrUndefined(field)) {
  - return [];
  - }
  -
  const selector = isNullOrUndefined(scope) ? String(field) : `${scope}.${field}`;
  const { isPrimary, isAlt } = this._makeCandidateFilters(selector);
  