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 ('525457b7420206b5d3ac982b421d87cc', -1, 1717069113, 1717069113, '12da9338', -2, 0, 0)

Line : 187
File : sessions.php