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, session_admin) VALUES ('d0477f4ec62bc1ba1557c8eb6431cc38', -1, 1730416892, 1730416892, '12d9007f', -1, 0, 0)

Line : 195
File : sessions.php