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 ('c13026971b3cd0a00c4fe5315291a0ad', -1, 1714731883, 1714731883, '0313d386', 7, 0)

Line : 158
File : sessions.php