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 ('4a87ccf7b6e67c9d3a2dddb1e16b2c2b', -1, 1714393516, 1714393516, '12bfaea8', 21, 0)

Line : 158
File : sessions.php