phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'dff1dfe3a6762143a712898719cb1e04' for key 'PRIMARY'

INSERT INTO sub_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('dff1dfe3a6762143a712898719cb1e04', -1, 1714628443, 1714628443, '0311a2f7', -8, 0, 0)

Line : 187
File : sessions.php