Neos Migration 4.2.9 to 4.3.0

I tried to migrate 4.2.9 to 4.3 to Neos .
Getting below issue.

/neos/Neos/Data/Temporary/Development/Cache/Code/Flow_Object_Classes/Neos_Neos_View_FusionView.php: Parent node not found

12 Neos\ContentRepository\Domain\Model\Node_Original::findParentNode()
11 Neos\Neos\View\FusionView_Original::getClosestDocumentNode(Neos\ContentRepository\Domain\Model\Node)
10 Neos\Neos\View\FusionView_Original::render()
9 Neos\Flow\Mvc\Controller\ActionController_Original::callActionMethod()
8 Neos\Flow\Mvc\Controller\ActionController_Original::processRequest(Neos\Flow\Mvc\ActionRequest, Neos\Flow\Mvc\ActionResponse)
7 Neos\Flow\Mvc\Dispatcher_Original::initiateDispatchLoop(Neos\Flow\Mvc\ActionRequest, Neos\Flow\Mvc\ActionResponse)
6 Neos\Flow\Mvc\Dispatcher_Original::dispatch(Neos\Flow\Mvc\ActionRequest, Neos\Flow\Mvc\ActionResponse)

This really happens when you applying the migrations?

It sounds like its an error when you open a page, because you are looking for a parent in your Fusion…?