phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '-1' for key 2

INSERT INTO forum_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('4d60abeff317d17ff79af16b87056f3e', -1, 1717251046, 1717251046, '12745a0b', 1, 0, 0)

Line : 187
File : sessions.php