octobercms/october · error · SystemException

Blueprint does not specify a model class to use

Error message

Blueprint does not specify a model class to use

What it means

Error "Blueprint does not specify a model class to use" thrown in octobercms/october.

Source

Thrown at modules/tailor/classes/Blueprint.php:657

    public function getJoinTableName(): string
    {
        return $this->makeBlueprintTableName('join');
    }

    /**
     * getRepeaterTableName
     */
    public function getRepeaterTableName(): string
    {
        return $this->makeBlueprintTableName('repeater');
    }

    /**
     * getModelClassName
     */
    public function getModelClassName()
    {
        throw new SystemException('Blueprint does not specify a model class to use');
    }

    /**
     * getPermissionCodeName
     */
    public function getPermissionCodeName($name = null): string
    {
        $code = str_replace('-', '', $this->uuid);

        if ($this instanceof \Tailor\Classes\Blueprint\GlobalBlueprint) {
            $prefix = 'tailor.global.';
        }
        else {
            $prefix = 'tailor.entry.';
        }

        $suffix = $name !== null ? '.' . $name : '';

View on GitHub (pinned to b608633a7e)

When it happens

Trigger: Thrown at modules/tailor/classes/Blueprint.php:657 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/c27652e7f7751b2c. Report an issue: GitHub.