yiisoft/yii2 · error · NotSupportedException

This command is not implemented in {get_class($this)}

Error message

This command is not implemented in {get_class($this)}

What it means

Error "This command is not implemented in {get_class($this)}" thrown in yiisoft/yii2.

Source

Thrown at framework/console/controllers/BaseMigrateController.php:986

     *  - className: string migration class name
     *
     * @return string generated PHP code.
     * @since 2.0.8
     */
    protected function generateMigrationSourceCode($params)
    {
        return $this->renderFile(Yii::getAlias($this->templateFile), $params);
    }

    /**
     * Truncates the database.
     * This method should be overwritten in subclasses to implement the task of clearing the database.
     * @throws NotSupportedException if not overridden
     * @since 2.0.13
     */
    protected function truncateDatabase()
    {
        throw new NotSupportedException('This command is not implemented in ' . get_class($this));
    }

    /**
     * Return the maximum name length for a migration.
     *
     * Subclasses may override this method to define a limit.
     * @return int|null the maximum name length for a migration or `null` if no limit applies.
     * @since 2.0.13
     */
    protected function getMigrationNameLimit()
    {
        return null;
    }

    /**
     * Returns the migration history.
     * @param int|null $limit the maximum number of records in the history to be returned. `null` for "no limit".
     * @return array the migration history

View on GitHub (pinned to 66f00d18a2)

When it happens

Trigger: Thrown at framework/console/controllers/BaseMigrateController.php:986 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/72945f7d70c6f87f. Report an issue: GitHub.