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 ('02d66e6801429b61d9be03e7fe39c2be', -1, 1713297182, 1713297182, '12bfd342', -11, 0, 0)

Line : 187
File : sessions.php