phpBB : Critical Error

Error creating new session

DEBUG MODE

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

INSERT INTO sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('2cf2b5f3d15866874e2552b43f3e6c5a', -1, 1715092302, 1715092302, '12e3e45f', -1, 0, 0)

Line : 189
File : sessions.php