phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '-1' for key 'session_user_id'

INSERT INTO sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('9d12504d49d6184b41b3b1781e109a3a', -1, 1715004736, 1715004736, '0310937c', -11, 0, 0)

Line : 189
File : sessions.php