public function handleErrorRegister(ClientSession $session, ErrorMessage $msg)
{
foreach ($this->registrations as $key => $registration) {
if ($registration["request_id"] === $msg->getRequestId()) {
/** @var Deferred $deferred */
$deferred = $registration['futureResult'];
$deferred->reject($msg);
unset($this->registrations[$key]);
break;
}
}
}