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 ('3c712a9bb1b2e8bd35d0cbc97843d1d2', -1, 1762228510, 1762228510, '54ccfc03', 2, 0, 0)

Line : 187
File : sessions.php