phpBB : Critical Error

Error creating new session

DEBUG MODE

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

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('bbf19a149affed9f706d7f1bdda54328', -1, 1713493689, 1713493689, '03935955', -11, 0, 0)

Line : 187
File : sessions.php