phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '-1' for key 2

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('643706899ad33831718e41988f0e5e7e', -1, 1737597374, 1737597374, '12e03a27', 9, 0, 0)

Line : 187
File : sessions.php