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 ('156e068cd40e8af6d3e5d83a110ddcec', -1, 1714628811, 1714628811, '0d3a4d62', 4, 0)

Line : 158
File : sessions.php