/**
* Create an error stack from an Exception.
*
* Should be called when an Exception is encountered during
* the execution of any of the iteration processes.
*
* After an exception is encountered the results from this iteration
* set are invalid.
*
* @param \Exception $e
*/
public function setException(\Exception $exception)
{
$errors = [];
do {
$errors[] = Error::fromException($exception);
} while ($exception = $exception->getPrevious());
$this->errorStack = new ErrorStack($this, $errors);
}
