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 ('6c97e5aba5b1c130995b01fdd093c000', -1, 1756743286, 1756743286, '54ccfc03', 2, 0, 0)

Line : 187
File : sessions.php