BackupDbController Error

Hoi, Contao 4.13.0 contao-BackupDB dev-master
automatic backup with URL and individual call parameter run into error
LogicException:
"Softleister\BackupDbBundle\Controller\BackupDbController" has no container set, did you forget to define it as a service subscriber?

  at vendor/symfony/framework-bundle/Controller/ControllerResolver.php:36
  at Symfony\Bundle\FrameworkBundle\Controller\ControllerResolver->instantiateController('Softleister\\BackupDbBundle\\Controller\\BackupDbController')
     (vendor/symfony/http-kernel/Controller/ControllerResolver.php:120)
  at Symfony\Component\HttpKernel\Controller\ControllerResolver->createController('Softleister\\BackupDbBundle\\Controller\\BackupDbController::AutoBackupAction')
     (vendor/symfony/http-kernel/Controller/ContainerControllerResolver.php:42)
  at Symfony\Component\HttpKernel\Controller\ContainerControllerResolver->createController('Softleister\\BackupDbBundle\\Controller\\BackupDbController::AutoBackupAction')
     (vendor/symfony/http-kernel/Controller/ControllerResolver.php:86)
  at Symfony\Component\HttpKernel\Controller\ControllerResolver->getController(object(Request))
     (vendor/symfony/http-kernel/Controller/TraceableControllerResolver.php:38)
  at Symfony\Component\HttpKernel\Controller\TraceableControllerResolver->getController(object(Request))
     (vendor/contao/core-bundle/src/HttpKernel/ControllerResolver.php:46)
  at Contao\CoreBundle\HttpKernel\ControllerResolver->getController(object(Request))
     (vendor/symfony/http-kernel/HttpKernel.php:135)
  at Symfony\Component\HttpKernel\HttpKernel->handleRaw(object(Request), 1)
     (vendor/symfony/http-kernel/HttpKernel.php:74)
  at Symfony\Component\HttpKernel\HttpKernel->handle(object(Request), 1, true)
     (vendor/symfony/http-kernel/Kernel.php:202)
  at Symfony\Component\HttpKernel\Kernel->handle(object(Request))
     (web/index.php:44)
do-while / contao-BackupDB

BackupDbController Error #30
