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 ('8e22575f1655c6cb682499853b116f4c', -1, 1715115156, 1715115156, '030e53df', -8, 0, 0)

Line : 189
File : sessions.php