Cannot send headers; headers already sent in /home/freesam/public_html/leanandfit/index.php, line 1

#0 /home/freesam/public_html/leanandfit/lib/Zend/Controller/Response/Abstract.php(114): Zend_Controller_Response_Abstract->canSendHeaders(true)
#1 /home/freesam/public_html/leanandfit/app/code/core/Mage/Core/Model/App.php(1090): Zend_Controller_Response_Abstract->setHeader('Content-Type', 'text/html; char...')
#2 /home/freesam/public_html/leanandfit/app/code/core/Mage/Core/Controller/Varien/Front.php(80): Mage_Core_Model_App->getResponse()
#3 /home/freesam/public_html/leanandfit/app/code/core/Mage/Core/Model/Url/Rewrite.php(171): Mage_Core_Controller_Varien_Front->getResponse()
#4 /home/freesam/public_html/leanandfit/app/code/core/Mage/Core/Controller/Varien/Front.php(166): Mage_Core_Model_Url_Rewrite->rewrite()
#5 /home/freesam/public_html/leanandfit/app/Mage.php(447): Mage_Core_Controller_Varien_Front->dispatch()
#6 /home/freesam/public_html/leanandfit/index.php(46): Mage::run()
#7 {main}