phpBB : Critical Error

Error creating new session

DEBUG MODE

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

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('44c9f4a46c2e3325619e9047a085f2ff', -1, 1753036007, 1753036007, '126109ae', 3, 0, 0)

Line : 189
File : sessions.php