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 ('8b82ae09e450523fa13966d7713b5035', -1, 1748162151, 1748162151, '12d9b13c', -10, 0, 0)

Line : 189
File : sessions.php