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 ('1c9a8f69c5bd76ee33426c72b657ccc9', -1, 1717030476, 1717030476, '039115cd', -4, 0, 0)

Line : 187
File : sessions.php