public function handleError($errNumber, $errString, $errFile ='', $errLine = 0)
	{
		$interfaceSettings = $this->cmd->getConfigOpt('interface');
		$textColor = $interfaceSettings['error']['text_color'];
		$textBgColor = $interfaceSettings['error']['text_background'];

		$this->env->sendOutput('Error: ' . $errString, $textColor, $textBgColor);
		exit;
	}