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 ('45818517d07e5c2c6992c7ec14c7554b', -1, 1713443641, 1713443641, '0d3b71e2', -11, 0, 0)

Line : 187
File : sessions.php