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 ('b73c0b2c9910a8d146b91ab83c47958e', -1, 1715042784, 1715042784, '12dcb2cf', 3, 0, 0)

Line : 189
File : sessions.php