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 ('ae3062a5f3afbeb5fc66e33201b3cf30', -1, 1714626859, 1714626859, '0390194a', -9, 0)

Line : 158
File : sessions.php