class ActiveFedora::RecordInvalid

end
puts invalid.record.errors
rescue ActiveFedora::RecordInvalid => invalid
complex_operation_that_calls_save!_internally
begin
record method to retrieve the record which did not validate.
Raised by save! and create! when the record is invalid. Use the
= Active Fedora RecordInvalid, adapted from Active Record

def initialize(record) 

def initialize(record)
  @record = record
  errors = @record.errors.full_messages.join(", ")
  super(I18n.t("activefedora.errors.messages.record_invalid", errors: errors))
end