Warning: session_name(): Cannot change session name when headers already sent in C:\Apache24\htdocs\libraries\joomla\session\handler\native.php on line 128

Warning: session_cache_limiter(): Cannot change cache limiter when headers already sent in C:\Apache24\htdocs\libraries\joomla\session\handler\native.php on line 235
Error: Failed to start application: Failed to start the session because headers have already been sent by "C:\Apache24\htdocs\index.php" at line 1.