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 ('d58734e64156ed8bac0658250df63532', -1, 1737552568, 1737552568, '0316f987', -9, 0, 0)

Line : 187
File : sessions.php