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 ('5ccb8f0cfd85f65538bb53d47a32269d', -1, 1715294587, 1715294587, '0385579c', 4, 0, 0)

Line : 189
File : sessions.php