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 ('fe9f86aa2f6e8e665f49497b929058c2', -1, 1714345611, 1714345611, '12d85e98', 22, 0)

Line : 158
File : sessions.php