Unable to read resource: "CoreHome/templates/simple_structure_header.tpl"

While I click on Add website I got this message. How to resolve this ? Please help me.

Backtrace:
#0 /var/www/pageclimbers/public_html/analytics/libs/Smarty/Smarty.class.php(1589): Piwik_Smarty->trigger_error(‘unable to read …’)
#1 /var/www/pageclimbers/public_html/analytics/libs/Smarty/Smarty.class.php(1415): Smarty->_fetch_resource_info(Array)
#2 /var/www/pageclimbers/public_html/analytics/libs/Smarty/Smarty.class.php(1867): Smarty->_compile_resource(‘CoreHome/templa…’, ‘/var/www/pagecl…’)
#3 /var/www/pageclimbers/public_html/analytics/tmp/templates_c/%%38^383^383EA889%%header.tpl.php(46): Smarty->_smarty_include(Array)
#4 /var/www/pageclimbers/public_html/analytics/libs/Smarty/Smarty.class.php(1869): include(’/var/www/pagecl…’)
#5 /var/www/pageclimbers/public_html/analytics/tmp/templates_c/%%D0^D07^D07A6D7D%%SitesManager.tpl.php(8): Smarty->_smarty_include(Array)
#6 /var/www/pageclimbers/public_html/analytics/libs/Smarty/Smarty.class.php(1263): include(’/var/www/pagecl…’)
#7 /var/www/pageclimbers/public_html/analytics/core/View.php(133): Smarty->fetch(’/var/www/pagecl…’)
#8 /var/www/pageclimbers/public_html/analytics/plugins/SitesManager/Controller.php(66): Piwik_View->render()
#9 [internal function]: Piwik_SitesManager_Controller->index()
#10 /var/www/pageclimbers/public_html/analytics/core/FrontController.php(138): call_user_func_array(Array, Array)
#11 /var/www/pageclimbers/public_html/analytics/index.php(54): Piwik_FrontController->dispatch()
#12 {main}
pageclimbers.com homepage
pageclimbers Frequently Asked Questions
pageclimbers Documentation
pageclimbers Forums
pageclimbers Online Demo

please re-upload all files from piwik ZIP in plugins/CoreHome/ some have not been uploaded correctly apparently.

Thanks for replaying to me Quick. I have downloaded latest piwik and re-upload all files from piwik ZIP in plugins/CoreHome/

But still showing this. Help help me…!!! To solve this

::o

Can you try a fresh upload in a new directory, then copy your config/config.ini.php in the new directory?