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 ('dde60494b0ec281835d9165d8b5d4c7f', -1, 1714788524, 1714788524, '12dfa03d', 7, 0)

Line : 158
File : sessions.php