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 ('e79e9e79c8ea50ff3ae24ef8e995b968', -1, 1714677590, 1714677590, '0311064b', -10, 0)

Line : 158
File : sessions.php