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 ('61240936482fa98de72a3bb706f26e42', -1, 1716839716, 1716839716, '1276a716', -7, 0, 0)

Line : 187
File : sessions.php