phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'e6598b25f1cc7d9f1908801af83b7f89' 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 ('e6598b25f1cc7d9f1908801af83b7f89', -1, 1770726296, 1770726296, 'd849d88f', -4, 0, 0)

Line : 187
File : sessions.php