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 ('efa91fc950286206eee8ca64f3a79e9e', -1, 1714638652, 1714638652, '031633f1', 7, 0)

Line : 158
File : sessions.php