yiisoft/yii2 · error · yii\console\Exception

Unable to write template file '{$configFile}'.

Error message

Unable to write template file '{$configFile}'.

What it means

Error "Unable to write template file '{$configFile}'." thrown in yiisoft/yii2.

Source

Thrown at framework/console/controllers/AssetController.php:748

            'baseUrl' => '@web/assets',
            'js' => 'js/all-{hash}.js',
            'css' => 'css/all-{hash}.css',
        ],
    ],
    // Asset manager configuration:
    'assetManager' => [
        //'basePath' => '@webroot/assets',
        //'baseUrl' => '@web/assets',
    ],
];
EOD;
        if (file_exists($configFile)) {
            if (!$this->confirm("File '{$configFile}' already exists. Do you wish to overwrite it?")) {
                return ExitCode::OK;
            }
        }
        if (!file_put_contents($configFile, $template, LOCK_EX)) {
            throw new Exception("Unable to write template file '{$configFile}'.");
        }

        $this->stdout("Configuration file template created at '{$configFile}'.\n\n", Console::FG_GREEN);
        return ExitCode::OK;
    }

    /**
     * Returns canonicalized absolute pathname.
     * Unlike regular `realpath()` this method does not expand symlinks and does not check path existence.
     * @param string $path raw path
     * @return string canonicalized absolute pathname
     */
    private function findRealPath($path)
    {
        $path = str_replace(['/', '\\'], DIRECTORY_SEPARATOR, $path);
        $pathParts = explode(DIRECTORY_SEPARATOR, $path);

        $realPathParts = [];

View on GitHub (pinned to 66f00d18a2)

When it happens

Trigger: Thrown at framework/console/controllers/AssetController.php:748 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/caf79f10e803aa89. Report an issue: GitHub.