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, session_admin) VALUES ('700a3265f44ca56ad5e4cb551114ad26', -1, 1713460111, 1713460111, '12bc8e92', -4, 0, 0)

Line : 187
File : sessions.php