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 ('2f36d5a7e82c07f79adde23c175b170d', -1, 1716681818, 1716681818, '0391a94e', 2, 0, 0)

Line : 187
File : sessions.php