phpBB : Critical Error

Error creating new session

DEBUG MODE

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

INSERT INTO sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('27233ef25681138e782b8ef8d40ff09c', -1, 1715338754, 1715338754, '12ddde2f', 7, 0, 0)

Line : 189
File : sessions.php