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 ('41429fa4bd8901e5898790f9f710a56f', -1, 1754524395, 1754524395, 'd849d851', -9, 0, 0)

Line : 189
File : sessions.php