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 ('684f8b42e95cb9375fcf7028c2c51322', -1, 1714639653, 1714639653, '0395d5d1', 15, 0)

Line : 158
File : sessions.php