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 ('796a4e49a3bcb06aca94307193a75d1b', -1, 1714538910, 1714538910, '0d3b09ec', -2, 0)

Line : 158
File : sessions.php