phpBB : Erro Crítico

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '-1' for key 2

INSERT INTO f_activesessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('2256ab9d76dbad4e97ee359d13bf935b', -1, 1711711286, 1711711286, '2cc6b46c', -7, 0, 0)

Line : 187
File : sessions.php