phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '-1' for key 'session_user_id'

INSERT INTO sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('8244f89f62259960fc1ba4d63e209156', -1, 1715049262, 1715049262, '039061bd', -9, 0, 0)

Line : 189
File : sessions.php