phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'bffd561845ab5a8f99170f7b5124f2c1' 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 ('bffd561845ab5a8f99170f7b5124f2c1', -1, 1714088503, 1714088503, '12dc3b45', 4, 0, 0)

Line : 187
File : sessions.php