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 ('6966c3b37c8088b5db54191d84e44b19', -1, 1711704409, 1711704409, '54ccfc03', 5, 0, 0)

Line : 187
File : sessions.php