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 ('5ba30beb7ed0434ceb3955ec3a806e2d', -1, 1749687422, 1749687422, 'd849d895', 31, 0, 0)

Line : 190
File : sessions.php