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 ('86b4e688b8d9fb702a1f5ae7d6254f5a', -1, 1715092990, 1715092990, '031677fb', 3, 0, 0)

Line : 189
File : sessions.php