protected function setErrorsExist()
    {
        $this->errorsExist = true;
        if ($this->parent !== null) {
            $this->parent->setErrorsExist();
        }
    }
protected function setErrorsExist()
    {
        $this->errorsExist = true;
        if ($this->parent !== null) {
            $this->parent->setErrorsExist();
        }
    }
protected function setErrorsExist ( ) { $ this -> errorsExist = true ; if ( $ this -> parent !== null ) { $ this -> parent -> setErrorsExist ( ) ; } }
Sets the error cache to true and propagates the information
upwards the Result-Object Tree

@return void
Sets the error cache to true and propagates the information upwards the Result - Object Tree