Crud\Error\ExceptionRenderer::_getErrorData PHP Method

    protected function _getErrorData()
    {
        $data = [];
        $viewVars = $this->controller->viewVars;
        if (!empty($viewVars['_serialize'])) {
            foreach ($viewVars['_serialize'] as $v) {
                $data[$v] = $viewVars[$v];
            }
        }
        if (!empty($viewVars['error']) && Configure::read('debug')) {
            $data['exception'] = ['class' => get_class($viewVars['error']), 'code' => $viewVars['error']->getCode(), 'message' => $viewVars['error']->getMessage()];
            if (!isset($data['trace'])) {
                $data['trace'] = Debugger::formatTrace($viewVars['error']->getTrace(), ['format' => 'array', 'args' => false]);
            }
        }
        return $data;
    }