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 ('db36eb2fc0a24351d2fb6670c6fedd08', -1, 1715218877, 1715218877, '12dc01ef', -9, 0, 0)

Line : 189
File : sessions.php