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 ('0911292beb9cb788b401c3383f4500dc', -1, 1715076188, 1715076188, '03904d47', 7, 0, 0)

Line : 189
File : sessions.php