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 ('14e6ac40f00c1f7279ba6cb0a92734e0', -1, 1711672761, 1711672761, '54ccfc03', 2, 0, 0)

Line : 187
File : sessions.php