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 ('145d9823a4c50982d156d054594f0dbf', -1, 1713932492, 1713932492, '12dc9a29', 3, 0, 0)

Line : 187
File : sessions.php