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 ('b123c0139cf2a0349f609725cfa9e923', -1, 1717146919, 1717146919, '12bc5b2c', -8, 0, 0)

Line : 187
File : sessions.php