phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'ff8971b082b8a7782a28892fa3e4e5f0' 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 ('ff8971b082b8a7782a28892fa3e4e5f0', -1, 1714288514, 1714288514, '127768ee', 16, 0, 0)

Line : 187
File : sessions.php