octobercms/october · error · SystemException

Unable to remove a widget before widgets are loaded.

Error message

Unable to remove a widget before widgets are loaded.

What it means

Error "Unable to remove a widget before widgets are loaded." thrown in octobercms/october.

Source

Thrown at modules/backend/classes/widgetmanager/HasReportWidgets.php:191

        }

        $_name = Str::normalizeClassName($name);
        if (isset($this->reportWidgets[$_name])) {
            return $_name;
        }

        return $name;
    }

    /**
     * removeReportWidget removes a registered ReportWidget.
     * @param string $className Widget class name.
     * @return void
     */
    public function removeReportWidget($className)
    {
        if (!$this->reportWidgets) {
            throw new SystemException('Unable to remove a widget before widgets are loaded.');
        }

        unset($this->reportWidgets[$className]);
    }
}

View on GitHub (pinned to b608633a7e)

When it happens

Trigger: Thrown at modules/backend/classes/widgetmanager/HasReportWidgets.php:191 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/3b942ca873e8f086. Report an issue: GitHub.