phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '-1' for key 2

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('b4e198d3c34559e29ff79846cdeccf72', -1, 1751960264, 1751960264, '54ccfc03', 2, 0, 0)

Line : 187
File : sessions.php