phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '9fba22b52ebdc8593dbd81981d42467b' 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 ('9fba22b52ebdc8593dbd81981d42467b', -1, 1770161181, 1770161181, 'd849d8af', -4, 0, 0)

Line : 215
File : sessions.php