phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'f9195433473f1f15e81609304063046b' for key 'phpbb_sessions.PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('f9195433473f1f15e81609304063046b', -1, 1759901958, 1759901958, 'd849d890', -4, 0, 0)

Line : 187
File : sessions.php