phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'ffc773c54b34c7c48248d4c78878bb89' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('ffc773c54b34c7c48248d4c78878bb89', -1, 1724556170, 1724556170, '038eff9d', 3, 0, 0)

Line : 187
File : sessions.php