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 ('f36f13974e9708f3751bcdc08c51019f', -1, 1714726382, 1714726382, '12bf6670', 19, 0)

Line : 158
File : sessions.php