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 ('9e8067ba3fc4d5f620872e5a4a709e5b', -1, 1714396908, 1714396908, '12d8e66b', 16, 0)

Line : 158
File : sessions.php