web/play-java-forms/src/main/java/play/data/Form.java
public List<ValidationError> globalErrors() {
    return Collections.unmodifiableList(
        errors.stream().filter(error -> error.key().isEmpty()).collect(Collectors.toList()));
  }
public List<ValidationError> globalErrors() {
    return Collections.unmodifiableList(
        errors.stream().filter(error -> error.key().isEmpty()).collect(Collectors.toList()));
  }
Retrieve all global errors - errors without a key.

@return All global errors.