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) VALUES ('93eaf8ec9b70f24f3c5d97de3d2f7c52', -1, 1714198104, 1714198104, '340ef0b2', -11, 0)

Line : 158
File : sessions.php