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 ('8f02d61d861e6dbed6c9876105a90d2e', -1, 1769555295, 1769555295, 'd849d89a', -4, 0, 0)

Line : 193
File : sessions.php