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 ('a077c6f16b2390683a00df11830fd109', -1, 1715116015, 1715116015, '12de73b3', 3, 0, 0)

Line : 189
File : sessions.php