doctrine/orm · error · OutOfRangeException

Unknown property "%s" on class %s

Error message

Unknown property "%s" on class %s

What it means

Error "Unknown property "%s" on class %s" thrown in doctrine/orm.

Source

Thrown at src/Mapping/AssociationMapping.php:262

        };
    }

    /** @param string $offset */
    public function offsetExists(mixed $offset): bool
    {
        return isset($this->$offset) || in_array($offset, ['isOwningSide', 'type'], true);
    }

    final public function offsetGet(mixed $offset): mixed
    {
        return match ($offset) {
            'isOwningSide' => $this->isOwningSide(),
            'type' => $this->type(),
            'isCascadeRemove' => $this->isCascadeRemove(),
            'isCascadePersist' => $this->isCascadePersist(),
            'isCascadeRefresh' => $this->isCascadeRefresh(),
            'isCascadeDetach' => $this->isCascadeDetach(),
            default => property_exists($this, $offset) ? $this->$offset : throw new OutOfRangeException(sprintf(
                'Unknown property "%s" on class %s',
                $offset,
                static::class,
            )),
        };
    }

    public function offsetSet(mixed $offset, mixed $value): void
    {
        assert($offset !== null);
        if (! property_exists($this, $offset)) {
            throw new OutOfRangeException(sprintf(
                'Unknown property "%s" on class %s',
                $offset,
                static::class,
            ));
        }

View on GitHub (pinned to d9b9ff7301)

When it happens

Trigger: Thrown at src/Mapping/AssociationMapping.php:262 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of doctrine/orm@d9b9ff7301 (2026-08-21). Data as JSON: /api/errors/725c405091a66190. Report an issue: GitHub.