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 ('a0ba98a03c51fc915ce5ede20301f9a1', -1, 1713961134, 1713961134, '038dcabb', -9, 0)

Line : 158
File : sessions.php