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 ('1708a66a8b0a4fc7cd60ba2c2b7b7471', -1, 1716928765, 1716928765, '12750825', -4, 0, 0)

Line : 187
File : sessions.php