phpBB : Critical Error

Error creating new session

DEBUG MODE

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

INSERT INTO bb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('28d89ba5eda8cd1e0ef11a3f44a427c8', -1, 1679997264, 1679997264, '2cc8a810', -1, 0, 0)

Line : 187
File : sessions.php