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 ('d55b2f5e1d78e1a0e43c7eaf9a72d49d', -1, 1715082327, 1715082327, '12de8ae6', -4, 0, 0)

Line : 189
File : sessions.php