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 ('b4f3d2d7c8f7be466c71d10a445d9a11', -1, 1715036879, 1715036879, '12bedb41', -11, 0, 0)

Line : 189
File : sessions.php