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 ('a568521663bbb1539abb345359b5a2cc', -1, 1718537670, 1718537670, '030fdb50', 1, 0, 0)

Line : 187
File : sessions.php