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 ('1aacfe60c280f0a461ceea418d70c7d6', -1, 1714388216, 1714388216, '0a020003', -1, 0, 0)

Line : 187
File : sessions.php