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 ('af22307b9c45cf90a3d34b9e79b9d803', -1, 1714375188, 1714375188, '03913ca6', 20, 0)

Line : 158
File : sessions.php