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 ('4694af0223f257ce618f3ba2e8a6878b', -1, 1713590164, 1713590164, '12de73b3', -7, 0, 0)

Line : 187
File : sessions.php