getgrav/grav · error · RuntimeException

New parent page '{$parentKey}' not found.

Error message

New parent page '{$parentKey}' not found.

What it means

Error "New parent page '{$parentKey}' not found." thrown in getgrav/grav.

Source

Thrown at system/src/Grav/Common/Flex/Types/Pages/PageObject.php:488

            $newOrder = $ordering[$basename] ?? null;
            $newOrder = null !== $newOrder ? $newOrder + 1 : (int)$sibling->order() + $count;
            $sibling->order($newOrder);
        }

        $siblings = $siblings->orderBy(['order' => 'ASC']);
        $siblings->removeElement($this);

        // If menu item was moved, just make it to be the last in order.
        if ($isMoved && $this->order() !== false) {
            $parentKey = $this->getProperty('parent_key');
            if ($parentKey === '') {
                /** @var PageIndex $index */
                $index = $this->getFlexDirectory()->getIndex();
                $newParent = $index->getRoot();
            } else {
                $newParent = $this->getFlexDirectory()->getObject($parentKey, 'storage_key');
                if (!$newParent instanceof PageInterface) {
                    throw new RuntimeException("New parent page '{$parentKey}' not found.");
                }
            }
            /** @var PageCollection $newSiblings */
            $newSiblings = $newParent->children();
            $newSiblings = $newSiblings->getCollection()->withOrdered();
            $order = 0;
            foreach ($newSiblings as $sibling) {
                $order = max($order, (int)$sibling->order());
            }
            $this->order($order + 1);
        }

        return $siblings;
    }

    /**
     * @return string
     */

View on GitHub (pinned to 6040efed04)

When it happens

Trigger: Thrown at system/src/Grav/Common/Flex/Types/Pages/PageObject.php:488 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of getgrav/grav@6040efed04 (2026-08-17). Data as JSON: /api/errors/94a9392e1581e554. Report an issue: GitHub.