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 ('76754695988de6a791c8fba40482d1e7', -1, 1714373180, 1714373180, '12dd9a97', 14, 0)

Line : 158
File : sessions.php