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 ('3af6629bda79d55a4d05d5ce65179352', -1, 1714534058, 1714534058, '340f3ba3', 4, 0)

Line : 158
File : sessions.php