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 ('cb1e5b0c48655f23e841bc5d5c26b39b', -1, 1713997003, 1713997003, '12e3727d', -10, 0, 0)

Line : 187
File : sessions.php