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 ('56dd869d56cc17fc7c6350372f81d752', -1, 1717354935, 1717354935, '12bf5ef9', -7, 0, 0)

Line : 187
File : sessions.php