Template error blank pink bar - Joomla! Forum - community, help and support

i have pink bar @ top of pages , have identified code on index.php, have no clue how make right

code: select all

      <div class="maincol">
                <?php if ($this->getbuffer('message')) : ?>
                    <div class="error">
                        <jdoc:include type="message" />
                    </div>
                <?php endif; ?>
        <jdoc:include type="component" />
      </div>

i must getting error there no message. not programmer if read right says in main column if buffer has message , show message.
i have included screen shot