octobercms/october · error · October\Rain\Exception\ApplicationException

Please specify a Plugin name to install.

Error message

Please specify a Plugin name to install.

What it means

Error "Please specify a Plugin name to install." thrown in octobercms/october.

Source

Thrown at modules/system/widgets/Updater.php:266

            ];

            $this->vars['updateSteps'] = $updateSteps;
        }
        catch (Exception $ex) {
            $this->handleError($ex);
        }

        return $this->makePartial('execute');
    }

    /**
     * onInstallPlugin validates the plugin code and execute the plugin installation
     */
    public function onInstallPlugin()
    {
        try {
            if (!$code = trim(post('code'))) {
                throw new ApplicationException(__('Please specify a Plugin name to install.'));
            }

            $updateSteps = [
                [
                    'code' => 'installPlugin',
                    'label' => __('Installing plugin: :name', ['name' => $code]),
                    'name' => $code
                ],
                [
                    'code' => 'completeInstall',
                    'label' => __('Finishing installation process'),
                    'type' => 'final'
                ]
            ];

            $this->vars['updateSteps'] = $updateSteps;

            return $this->makePartial('execute');

View on GitHub (pinned to b608633a7e)

When it happens

Trigger: Thrown at modules/system/widgets/Updater.php:266 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of octobercms/october@b608633a7e (2026-08-21). Data as JSON: /api/errors/c01eba09f76a3601. Report an issue: GitHub.