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) VALUES ('e92ca9b68b7c9d4a894eb4e9df5b72b3', -1, 1714360002, 1714360002, '12bed986', 11, 0)

Line : 158
File : sessions.php