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 ('7080a0c90600e7a44d641f79cdcd64e3', -1, 1713605849, 1713605849, '0d3a2717', -10, 0, 0)

Line : 187
File : sessions.php