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 ('65c3748caa1c91ca7ea7f751aca1e800', -1, 1714618927, 1714618927, '038d98ad', 7, 0)

Line : 158
File : sessions.php