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 ('6268a46777c2d05808a930b584df7f05', -1, 1762701993, 1762701993, 'd849d858', 2, 0, 0)

Line : 187
File : sessions.php