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 ('5b1e24edff71a97f876b9f0ee41dd0ba', -1, 1714673422, 1714673422, '12dd9a97', 0, 0)

Line : 158
File : sessions.php