phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'af2ff20a2c51085e4cee0c66de23cff0' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in) VALUES ('af2ff20a2c51085e4cee0c66de23cff0', -1, 1770509954, 1770509954, 'd849d868', 0, 0)

Line : 152
File : /home/bsc/v1/phpbb2/includes/sessions.php