phpBB : Critical Error

Error creating new session

DEBUG MODE

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

INSERT INTO forum_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('096404c3e923a5320e464e5c24753abb', -1, 1741956974, 1741956974, '030e8434', 1, 0, 0)

Line : 187
File : sessions.php