start up error

cannot install start up - i get the following error

Warning: session_start() [function.session-start]: open(/tmp/sess_fa7e6461e39cacd60f98cc697143696c, O_RDWR) failed: Permission denied (13) in /home/heart1/public_html/libraries/joomla/session/session.php on line 462

Warning: session_start() [function.session-start]: Cannot send session cache limiter - headers already sent (output started at /home/heart1/public_html/libraries/joomla/session/session.php:462) in /home/heart1/public_html/libraries/joomla/session/session.php on line 462


Warning: session_write_close() [function.session-write-close]: open(/tmp/sess_fa7e6461e39cacd60f98cc697143696c, O_RDWR) failed: Permission denied (13) in /home/heart1/public_html/libraries/joomla/session/session.php on line 598

Warning: session_write_close() [function.session-write-close]: Failed to write session data (files). Please verify that the current setting of session.save_path is correct (/tmp) in /home/heart1/public_html/libraries/joomla/session/session.php on line 598

Hi,

Open your php.ini and check if 'session.save_path' option points to existing, writable folder.