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 ('5185e0627ffc60c12c688911081b5f0c', -1, 1716955090, 1716955090, '1276a716', 0, 0, 0)

Line : 187
File : sessions.php