Warning: Undefined array key "error"

[akroii]

Hi, during Sync we got an exception.

ErrorException:
Warning: Undefined array key "error"

  at vendor/menatwork/synccto/src/Controller/ClientController.php:567
  at MenAtWork\SyncCto\Controller\ClientController->setTemplateVars()
     (vendor/menatwork/synccto/src/Controller/ClientController.php:467)
  at MenAtWork\SyncCto\Controller\ClientController->__invoke()
     (vendor/symfony/http-kernel/HttpKernel.php:181)
  at Symfony\Component\HttpKernel\HttpKernel->handleRaw()
     (vendor/symfony/http-kernel/HttpKernel.php:76)
  at Symfony\Component\HttpKernel\HttpKernel->handle()
     (vendor/symfony/http-kernel/Kernel.php:197)
  at Symfony\Component\HttpKernel\Kernel->handle()
     (public/index.php:42)