yiisoft/yii2 · error · yii\console\Exception

Only one target can have empty 'depends' option. Found two n

Error message

Only one target can have empty 'depends' option. Found two now: $all, $name

What it means

Error "Only one target can have empty 'depends' option. Found two now: $all, $name" thrown in yiisoft/yii2.

Source

Thrown at framework/console/controllers/AssetController.php:303

     * @throws Exception on failure.
     */
    protected function loadTargets($targets, $bundles)
    {
        // build the dependency order of bundles
        $registered = [];
        foreach ($bundles as $name => $bundle) {
            $this->registerBundle($bundles, $name, $registered);
        }
        $bundleOrders = array_combine(array_keys($registered), range(0, count($bundles) - 1));

        // fill up the target which has empty 'depends'.
        $referenced = [];
        foreach ($targets as $name => $target) {
            if (empty($target['depends'])) {
                if (!isset($all)) {
                    $all = $name;
                } else {
                    throw new Exception("Only one target can have empty 'depends' option. Found two now: $all, $name");
                }
            } else {
                foreach ($target['depends'] as $bundle) {
                    if (!isset($referenced[$bundle])) {
                        $referenced[$bundle] = $name;
                    } else {
                        throw new Exception("Target '{$referenced[$bundle]}' and '$name' cannot contain the bundle '$bundle' at the same time.");
                    }
                }
            }
        }
        if (isset($all)) {
            $targets[$all]['depends'] = array_diff(array_keys($registered), array_keys($referenced));
        }

        // adjust the 'depends' order for each target according to the dependency order of bundles
        // create an AssetBundle object for each target
        foreach ($targets as $name => $target) {

View on GitHub (pinned to 66f00d18a2)

When it happens

Trigger: Thrown at framework/console/controllers/AssetController.php:303 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of yiisoft/yii2@66f00d18a2 (2026-08-17). Data as JSON: /api/errors/a2a9bc9ca2c1d980. Report an issue: GitHub.