doctrine/orm · error · InvalidArgumentException

Association name expected, '{assocName}' is not an associati

Error message

Association name expected, '{assocName}' is not an association.

What it means

Error "Association name expected, '{assocName}' is not an association." thrown in doctrine/orm.

Source

Thrown at src/Mapping/ClassMetadata.php:2548

    /**
     * {@inheritDoc}
     */
    public function getAssociationNames(): array
    {
        return array_keys($this->associationMappings);
    }

    /**
     * {@inheritDoc}
     *
     * @phpstan-return class-string
     *
     * @throws InvalidArgumentException
     */
    public function getAssociationTargetClass(string $assocName): string
    {
        return $this->associationMappings[$assocName]->targetEntity
            ?? throw new InvalidArgumentException("Association name expected, '" . $assocName . "' is not an association.");
    }

    public function getName(): string
    {
        return $this->name;
    }

    public function isAssociationInverseSide(string $assocName): bool
    {
        return isset($this->associationMappings[$assocName])
            && ! $this->associationMappings[$assocName]->isOwningSide();
    }

    public function getAssociationMappedByTargetField(string $assocName): string
    {
        $assoc = $this->getAssociationMapping($assocName);

        if (! $assoc instanceof InverseSideMapping) {

View on GitHub (pinned to d9b9ff7301)

When it happens

Trigger: Thrown at src/Mapping/ClassMetadata.php:2548 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/6b4b3f08b2f120a5. Report an issue: GitHub.