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) VALUES ('cbad74c0211b746ec86e3da3886d558c', -1, 1714630882, 1714630882, '038d1d91', -4, 0)

Line : 158
File : sessions.php